Rules for installing snow retainers. Installation of snow retainers on a roof made of metal: do-it-yourself installation according to the instructions. Calculations required for the selection of snow retention systems

From this article, you can find out what roof snow retainers are: the purpose and existing types of products, their characteristics and rules for use. The text contains a detailed description of corner, tubular, lattice, as well as point snow catchers and the basic rules for their installation on metal tiles, soft, seam and other types of roofs.

Roof snow avalanches are a common problem in regions where winters are accompanied by heavy rainfall. To solve it, special devices are used - snow retainers. These structures keep precipitation on the roof, which gradually flows down the drains during the melting process.

There are several types of snow retainers. These products are selected based on several factors:

• roof type;
• roof pitch;
• the thickness of the snow cover characteristic of the region.

Consumers can buy roof snow guards with roofing material when the house is still under construction, or they can be purchased as an accessory to a finished building. These devices may have different names depending on the functions they perform.

Snow blocking protections provide full deduction of rainfall on a roof. They are also called snow barriers. In this case, even partial melting of snow layers is impossible. The accumulated precipitation will melt and leave the roof in a natural way.

Snow cutters perform a different function. They are designed to cut the snow layer into several small pieces. Thanks to this, the energy of the avalanche will be minimal and safe.

Snow guards differ not only in the material of manufacture, but also in shape, size, and also in the degree of reliability.

Consumers can buy snow retainers of the following types:

1. Trellised.
2. Corner.
3. Tubular.
4. Point.

In addition, you can make protective structures for the roof yourself. For this, wood is most often used.

Useful advice! When choosing snow catchers, it is imperative to pay attention to how much snow the structure is designed to hold. Otherwise, it will not be able to fully perform its function and ensure safety.

Universal tubular snow retainers 3 m: price and design features

Tubular-type products are made from brackets and a pair of pipes, the diameter of which is 1.5-3 cm. The height of this design is 15 cm. The bracket has the form of a vertical plate in which holes are made for installing pipes. There is a shelf at the bottom of it. It is used to fix the snow retainer on the roof. Metal screws with a hexagon head (0.8x6 cm) are used as fasteners.

Bracket appearance may vary. It depends on the type of roof where it will be installed. It is desirable that there be a distance of about 2-3 cm between the roof surface and the first pipe, and 8-10 cm between the pipes.

Tubular structures cut the snow layer into several parts. They are reliable and can handle a lot of pressure. This category of products can be considered universal, since tubular snow cutters are suitable for almost any type of roof:

• sheet;
• soft;
• tiled.

Installation of structures is carried out along the slope around the entire perimeter of the building. In this case, the products are not located apart, but in a row. If the snow load in winter is high, you can install two rows of protective structures at a distance of 2-3 m from each other. Moreover, the lower one is fixed with an indent of 0.4-0.5 m from the cornice overhang. The shade of snow retainers can be matched to the tone of the roof, so after installation, these structures are not striking.

For the manufacture of tubular snow retainers, galvanized steel is most often used. From above, it is covered with paint, which is selected to match the color of the roof. Thanks to this, the product not only fits into the overall appearance of the building, but also turns out to be durable. Moreover, the paint provides protection against corrosion.

Average prices for tubular snow retainers:

Note! Tubular fences are suitable for roofs with a large slope (up to 60 °), where snow movement often occurs due to high pressure. If the slope of the roof exceeds this figure, there is no need to install snow retainers, since precipitation does not linger on the surface, but immediately crumbles.

Features of lattice snow retainers on the roof: price and characteristics

Lattice snow guards in a universal design have the form of brackets on which the grate is fixed in a vertical position. All parts of the product are made of galvanized steel, opened with a coloring composition, which allows you to choose a design for any color of the roof.

The size of the grids may vary. The largest options have a height of about 15-20 cm. The size of small gratings does not exceed 5-7 cm. The level of strength and the ability of the structure to hold a certain amount of snow depend on the size of this part. Large steel gratings can withstand the weight and pressure of a large amount of precipitation with ice. As a rule, snow retention on the roof is provided constantly. Precipitation leaves it only in the form of melt water.

Lattice-type products are mounted on long roof slopes with a large slope. The presence of such a design ensures that blocks of snow do not fall on the head of passers-by. The effectiveness of the grating depends on its height. There are no restrictions regarding the roofing material, since all types of fasteners are provided for this type of protective structures.

On sale you can find snow retainers, where the grate is welded to the longitudinal pipes. This configuration improves the reliability of the product. Installation of lattice structures is carried out on a slope along the eaves. If the snow loads in the region are large enough, other types of protective fences can be installed as an addition, for example, lamellar snow guards. The same applies to cases where the slope length exceeds 5.5 m.

The average price of lattice structures for natural tiles (ceramic or cement-sand) is 4250 rubles per piece. The purchase of products intended for seam roofing will cost about 3200 rubles / piece.

Note! Under the pressure of a large amount of snow, the gratings can bend. With regard to this aspect, tubular structures are more reliable. The strength of the lattice snow retainers depends on the shape of the guides or brackets, as well as their quality. You should not buy products where these parts have the same thickness as the grille.

Lamellar or corner snow retainers for metal tiles

If a small amount of precipitation accumulates on the roof, you can limit yourself to buying corner snow retainers. Most often they are used on a roof made of corrugated board or metal tiles, since these products are made from a similar material and in the same color.

Corner metal structures have a bent triangular shape with two faces, equipped with shelves for fasteners. The height of this type of snow retainers is 4-6 cm.

Products are attached directly to the roofing material, the upper wave of the coating is no exception, where fences are also fixed. The installation of snow retainers on a roof made of metal is carried out along the ridge. This is done in a checkerboard pattern. Products are placed in several rows (at least 2) in increments of 0.5-1 m.

Corner-type snow guards are not very durable. They will not be able to keep a large amount of snow from convergence. Therefore, these products are used only in those regions where there is little precipitation in winter. In addition, you will need to regularly clean the roof. The cost of such snow retainers is 290 rubles / piece. (2 m).

The specificity of the yokes - point snow retainers for the roof

Spot snow retainers are called yokes or hooks. They are not designed to hold a large amount of snow, therefore they are used as an addition to tubular and lattice structures. It is allowed to install on a roof with a soft coating, which has a slight slope.

Related article:

Description of the most common roofing materials of various types and types. Application and installation features.

Soft roofing contributes to the accumulation of snow, since it has a rough surface in the form of a sprinkle of granules. Precipitation is well kept on roofing material and shingles.

Note! If the roof has a slight slope, then snow is unlikely to converge. Nevertheless, for the purpose of safety net, it is desirable to install yokes in a checkerboard pattern with a step of 0.5-0.7 m.

Spot snow retainers look like triangles with a long plate. It is used to fix the product on the crate. The installation of these snow retainers for soft roofs is carried out so that the plate is located directly under the roofing material. Bituminous tiles laid on top will hide all fixation points. As a result, the possibility of roof leaks is eliminated. The average price of point stupor is 50-60 rubles / piece.

Snow guards on the roof: installation technology and features of its implementation

These objects include:

• parking area for cars;
• balconies;
• footpaths;
• roof windows.

The installation area is selected taking into account the fact that an avalanche during the descent from the roof, the slope of which is 35 °, covers a certain area. As a rule, precipitation falls at a distance of 0.5-1.5 m from the overhang.

Snow guards are installed with a distance of 0.5-0.8 m from the cornice overhang. It is not allowed to place the protective structure directly on the overhang. An exception is the option when the cornice is formed by the roof truss system.

Important! Installing snow guards on or near an eave will cause a collapse.

The cost of products depends on their type, dimensional parameters, material of manufacture, as well as the manufacturer. The most popular brands are Borge, Grand Line, Orima.

Average prices for Borge snow retainers for different types of roofs:

How to properly install snow guards on metal roofing

Metal tile is the most popular roofing material. Its configuration ensures that layers of snow come off the roof constantly. A smooth surface is not able to retain precipitation. At the same time, the roofing material is sensitive to temperature changes. The metal tile contributes to the melting of snow, due to which the entire layer, together with the ice, begins to slide down. Therefore, the installation of snow retainers is mandatory.

The following structures are installed on metal roofs:

• corner;
• lattice;
• tubular.

Corner products are suitable for little snowy winters. In other cases, it is better to give preference to lattice and tubular structures. They are durable and easy to install.

How to install snow guards on metal tiles:

1. Drawing markings in the installation area.
2. Strengthening the crate structure with an additional bar.
3. Assembly of the guardrail kit (without tightening the bolts).
4. Installation of roofing material.
5. Formation of holes for fasteners in the lower wave adjacent to the crate structure.
6. Sealing holes with rubber pads.
7. Fixing the bracket on the slope with bolts (0.8x6 cm), taking into account its length and slope. The greater the slope, the tighter the brackets are installed. The optimal step is 0.5 m.
8. Installation of pipes in brackets. If lattice snow retainers are being installed, then adjacent structures should be interconnected.

Fastening of protective products is carried out above the bearing wall. In the area of ​​\u200b\u200bthe dormer window, the crate is necessarily reinforced. Some snow guards have additional benefits. For example, for Monterrey metal tiles, snow retainers with special brackets are provided. They have special protrusions that allow you not to reinforce the crate structure.

Important! The installation of lattice and tubular snow retainers is carried out through the roofing material.

How to install snow retainers on a corrugated roof

The professional flooring possesses practically the same characteristics, as a metal tile. Its surface is smooth and sensitive to temperature changes. The need to install snow retainers in this case is due not only to safety considerations. The snow that melts during the day freezes in the evening and, sliding off, scratches the corrugated board. As a result, the protective galvanized coating is damaged, which leads to the development of corrosion.

On the roof of corrugated board, you can install structures of lamellar, lattice and tubular type. The latter are used most often because they are made of galvanized steel and can be painted to match any tone of roofing material.

The installation technology practically does not differ from the procedure for installing snow retainers on a metal roof:

1. The structure is fixed through the roofing material.
2. The crate is reinforced.
3. Holes for fasteners are sealed with gaskets made of weather-resistant rubber.

Fastenings should be placed at the bottom of the wave of the coating, where the corrugated board is adjacent to the crate. Otherwise, the sheet will be deformed. If it is planned to install protective structures on the finished roof, to strengthen the crate, it will be necessary to partially disassemble it. Plate or corner products are installed in the upper wave of the profiled sheet. They do not need additional reinforcement of the crate. Fixators in this case are placed through one wave.

How to install snow guards on a seam roof

On a folded roof, only lattice and tubular snow retainers are used as protective structures. The mounting system of the latter differs only in the way the bracket is attached, which has a specific shape. In this case, the part is fixed directly on the seam, thanks to which the roof covering retains its tightness.

Installation of snow retainers is carried out by means of clips:

1. A clamp is put on the fold.
2. A couple of holes are made (sometimes 3).
3. The structure is fixed to the roof with bolted connections.

The advantage of this technology is that there is no need to reinforce the crate. Installation work is carried out on top of the laid roofing material. As a result, the structure is strong and reliable, since the pressure of the snow layer will be distributed along the rebate.

Useful advice! The size of the step with which the supports are installed depends on the slope of the roof. To get a reliable result, it is desirable to fix them on each fold.

For the manufacture of protective structures for seam roofing, not only galvanized steel is used, but also copper. In the latter case, the products are not sold as a set, but as a piece goods. The consumer can purchase a top and bottom bracket, as well as a pipe section. The cost of copper snow retainers is quite high, but they fit better into the design of a seam roof, which is also not a cheap pleasure.

Features of installing snow retainers on a roof with a soft coating

Soft roofing requires special handling. The maximum allowable slope angle for such a roof is 15°. In this case, the probability of an avalanche-like convergence of snow is excluded. For this reason, tubular snow trap designs are very rarely used on soft roofs.

Stone crumb on the surface of the coating prevents the movement of snow and delays precipitation on the roof. On a soft roof, a continuous crate is usually used. It is made of sheet plywood with moisture-resistant properties, so it does not need to be reinforced. Snow guards are installed at the stage of installation of roofing material. Most often, point snow retainers are used, in rare cases - tubular ones.

The installation technology of tubular structures is the same as in the case of installation on a metal tile or corrugated board. Although this system has a disadvantage, since the fasteners are located on top, thereby violating the tightness of the coating.

Technology of installation of stoppers and triangular yokes:

1. Products are placed in 2-3 rows in a checkerboard pattern. Installation step - 0.5-0.7 m.
2. The yoke is fixed on the crate structure so that the mounting plate can cover the next sheet of soft cover. In this case, the triangular part of the yoke remains outside (on top of the roof).
3. The snow guard is fixed with self-tapping screws.

If the roof was installed earlier, spot snow guards can be installed from above. In this case, the use of weatherproof rubber gaskets is mandatory.

Do-it-yourself technology for creating snow retainers on the roof

Installation of snow-retaining structures on the roof is accompanied by a number of advantages. These simple devices have a lot of advantageous advantages.

Snow blowers perform the following functions:

• protection of roofing materials and drainage system from damage;
• effective elimination of a heavy snow cap, which can cause deformation changes and roof deflection;
• preventing the appearance of water smudges on the ceilings of rooms located on the upper floors of the building;
• protection of decorative elements and plantings located under the windows;
• protection of cars parked near the building from the convergence of snow;
• protection of external plaster, which can be damaged by melt water if there is a sharp warming.

Useful advice! Even if there are snow traps on the roof, it is advisable to clean the roof on a regular basis (every 1-2 weeks). To eliminate the need for this event, you can lay a heating cable under the roof. Thanks to him, the snow will quickly melt and flow down the drain without lingering on the roof.

Recommendations for the manufacture of corner snow traps on the roof

In order to save money, you can independently make corner-type protective fences and install them on the roof. This option is considered the easiest to perform.

This will require the following tools and materials:

• metal scissors or a hacksaw;
• sheet stainless steel with polymer coating;
• sheet bender;
• ruler and marker for marking;
• drill.

To begin with, a drawing with dimensions is selected. Based on it, a corner snow retainer template is created. After that, with the help of a ruler and a marker, markings are transferred to sheet steel. This should be done in such a way that after cutting there is as little waste as possible.

In accordance with the markup, metal is cut with a hacksaw or scissors. You should not use a grinder for these purposes, even if the master has good experience with it. As a result of cutting with this tool, the protective coating on the metal is damaged, which prevents corrosion.

At the next stage, the workpiece must be fixed on the desktop. Using a sheet bender, bend the product along the marking lines. The result should be a corner with two shelves for fasteners, the height of which is 15-20 cm. Self-tapping screws will be used to fix the snow retainer. Under them, holes should be made in the mounting shelves.

Corner structures are mounted in a checkerboard pattern. If the length of the slope is less than 4 m, it is enough to install snow retainers in two rows. If this figure is 6 m or more, at least three to four tiers of barriers will be required.

Technology for the manufacture of lattice snow retainers on the roof of a private house

Lattice structures are more difficult to manufacture than corner structures. This will require skills in handling a grinder and a welding machine.

List of necessary tools and materials:

• metal corner;
• stainless steel to create a lattice;
• Bulgarian;
• metal pipes of suitable diameter;
• welding machine;
• suspension type supports;
• building level.

First, a drawing is made. It must take into account the parameters of the roof and all related factors. For the manufacture of the lattice frame, a corner should be used, and pipes should be used as an amplifier. Steel is prepared, markings are applied over the material. After that, with the help of a grinder, all the details are cut out.

The corners should be placed so that you get a rectangle. After that, you can fix the upper part of the frame by welding. In this case, it is very important to ensure that there are no distortions. If there are no defects, the corner parts of the frame can be welded. Then the pipes are fixed. They should be placed vertically in relation to the corners and welded. Having made the required number of structures, you can proceed to their installation. Hanging supports must first be installed on the roof.

Supports for home-made structures, as well as for factory-made snow retainers, can be purchased at a hardware store. Using these simple devices, you can avoid many of the problems associated with an avalanche of snow falling off the roof.

In winter, to protect your country house from the accumulation and intense convergence of precipitation will allow the installation of snow retainers on the roof of corrugated board, metal tiles or other coatings. Their main goal is to optimize and evenly distribute the snow cover over the roof.

Regulatory requirements for the installation of precipitation blocking systems

Devices that prevent snow from falling on a person, cars or sidewalks are mounted in private houses or summer cottages. The main rule of GOST 25772-83 is that snow arresters are installed in houses up to 10 m high. Construction SNiPs regulate the equipment of suburban real estate with snow blockers in the following cases:

• applications for roofing materials with a smooth texture;
• exceeding roofing angles by more than 6 degrees;
• the need to ensure the safety of owners and passers-by;
• the presence of a large roof on the building;
• living in a region with cold and snowy winters;
• frequent temperature fluctuations;
• lack of anti-ice system on the roof.

Snow blockers evenly distribute the mass of precipitation on the surface, do not deform it. The melting of the snow cover slows down without creating an overload on the drain communications.

Benefits of using snow barriers

Snow guards for roofs ensure the safety of passers-by, the building and other buildings. The barrier installed on the roof performs the following functions:

• prevention of uncontrolled descent of precipitation and icing;
• ensuring the protection of the roof, building elements and drainage system;
• distribution of the weight load of the snow cover over the entire surface;
• simplify roof maintenance.

The configuration of the fixtures is selected in the same version as the roof. Their design is combined with the overall architecture of the building. You can make designs in color with the flooring of the house or decorate with various elements.

Varieties and functions of snow-retaining structures

A snow guard is a kind of barrier that is designed to be installed on the roof. The product has several constructive types:

• snow cutters for cutting the formation into parts and its partial transmission. Produced in the form of gratings, tubes, drag hooks;
• barriers that provide full delay. Thanks to logs, stoppers and slats, the snow mass stops and descends in the form of melt water.

For the device of such systems, you can use parapets, slats and logs. They can be done independently or purchased at specialized outlets.

Tubular systems

Tubular structures externally look like a system of brackets and metal crossbars 15 cm high. The pipe is produced with a diameter of 15-30 mm, and the bracket is made in the form of a plate with vertically arranged holes. With the help of a horizontal shelf, the system is attached to the roof slope.
There is a certain rule for installing the device. Actually, there are several of them:

• tubular snow retainers belong to the second category of snow cuts;
• devices are mounted on houses where the roof is located at an angle of 60 degrees;
• the optimal distance from the surface to the pipe is 2-3 cm and 8-10 cm between the crossbars;
• systems are mounted on any type of roof - rolled, sheet, tiled;
• products are laid in a continuous row at a distance of 50 cm from the cornice overhang, around the entire perimeter of the building, along the slope.

Tubular snow cutters are made of galvanized steel, they are distinguished by reliability, increased strength and the ability to withstand heavy loads. Galvanization on all parts allows the structure to avoid corrosion, and in the future, breakage, which means that the mechanism will work for a long time.

lattice barriers

Lattice-type snow guard - a universal type of construction with brackets. As a rule, the system belongs to the first category of barriers - it is designed to hold the cover on the surface until complete melting. The galvanized mechanism is not susceptible to corrosion, reliable, able to withstand heavy loads, easily fits into the design of the building.
Designs come in different sizes:

• large grids. They reach a height of 15-20 cm, are able to resist snow accumulations and icing;
• small - no more than 5 cm, cope with a small amount of precipitation.

Lattice delays can be installed along the eaves on any deck with a large slope.

Lamellar or corner snow bollards

Corner plates are triangular metal products with two sides and "skirts" for fixing to the base. The height of the device is from 4 to 6 cm. They are placed on the roof for blocking with small amounts of snow flooring.
Installation of systems is made on a metal tile or a professional flooring. Snow guards are fixed on the surface in a checkerboard pattern along the ridge in several rows. The angle of inclination of the structure should not exceed 30 degrees.

Point retaining yokes

Snow retention on the roof by installing single yokes allows you to fix a small amount of snow cover. Hooks serve as an addition to tubular and lattice snowplows. They are placed on a soft roof with a slight slope. Yokes in the form of triangles with a long plate are installed together with the roof overlap.
Work on the installation of snow blockers is carried out taking into account the roofing material.

Installation of snow-retaining structures

To install snow retainers on the roof with your own hands, you must follow the recommendations of experts:

1. Mount the fixtures together with the roof deck.
2. It is not necessary to install snowshoes around the entire perimeter, you can only secure places above parking lots, footpaths, balconies, attics, etc.
3. The distance from the cornice overhang to the barrier structure should be between 50 and 80 cm.
4. Devices cannot be mounted on a cornice, they are fixed only on the base.

The above recommendations allow you to competently protect yourself, passers-by and buildings from the descent of an avalanche from the roof of houses.

Features of installing snow barriers on various types of roofing

Installation of snow retainers on the roof has its own nuances for a particular roofing system.

Metal roof

Metal tile is a common roofing material with a smooth surface. It is unstable to temperature fluctuations, which is why the snow layer quickly thaws and quickly leaves the roof.
For this reason, it is necessary to install snow-blocking plate, lattice or tubular structures. The first option is used only on roofs with a slight slope and in regions with little snow. In other cases, the last two snow blockers on the roof are fixed.
Fastening a durable and concise snowshoe consists in the following manipulations:

1. The location of the elements of the system is planned.
2. The snow retaining mechanism is fixed through the roof deck.
3. The crate is reinforced with additional bars.
4. A snow barrier kit is being assembled. The bolts are not tightened at this stage.
5. Roofing material is laid and attached to the base. Holes are made in the flooring for fixing the holding elements.
6. The finished bracket is fixed to the ramp with 8x60 mm bolts.
7. All parts of the structure are connected and well fixed.

Mount snow retainers should be above the bearing wall. To mount the system above skylights, it is necessary to reinforce the batten. There are products with special protrusions on the brackets, which increase the strength and reliability of fastening.

Roof made of corrugated board

The profiled sheet, although it has a wave, is distinguished by a smooth texture - the snow quickly melts from the roof surface. Ignoring the thickness of the sheet and markings provokes the convergence of large layers of snow, which can damage the integrity of other buildings and create risks to human health. To ensure snow retention on a roof made of corrugated board marked as H, it is necessary to install special elements.
How to properly secure profiled flooring? Use galvanized tubular systems, painted to match the roof. Installation of snow retainers on a roof from a profiled sheet has several nuances:

1. The elements are fixed through the roof.
2. The roof sheathing is reinforced.
3. Mounting holes are sealed with gaskets.
4. The brackets are fixed at the bottom of the wave.

Corner and plate elements do not require reinforcement of the roof structure. They are fixed directly on the corrugated roof, on the wave itself through one.

seam roof

Seam roofing - sheets of metal connected by snapping, are characterized by tightness, aesthetic appearance, and a long service life. The main advantages of using roofing systems are:

• lack of additional work on the arrangement of the crate;
• uniform distribution of snow cover throughout the deck;
• the possibility of arranging snow-blocking systems on the roof.

Here it is also better to use lattice or tubular options for barriers. How to install snow retainers on a rebated roof? The specificity of the installation work lies in the correct fixation of the bracket of a peculiar shape to the fold without violating the tightness. Fastening takes place using clamps as follows:

1. A special retainer is put on the fold.
2. 2-3 holes are made in the coating.
3. Bolts are inserted into the niches and nuts are tightened.
4. Fixation of snow protection systems is carried out strictly to each fold, observing the same step between the supports.

For seam coating, you can use not only galvanized materials, but also copper. The latter can be purchased individually, but there are pipe sections, the upper and lower brackets are not cheap.

Soft roof deck

When planning how to make a snow-retaining mechanism on a soft roof and choose its type, several nuances must be taken into account:

• the angle for a soft roof should not be more than 15 degrees. Such a slope does not provoke an uncontrolled avalanche;
• there is no point in setting up powerful barriers;
• stone chips as a topping ensure that the snow cover is retained on the surface, does not allow the layers to slide off;
• moisture-resistant plywood-crate when performing snow-retaining mechanisms can not be strengthened;
• installation of barriers on a soft roof is carried out at the stage of laying the roof.

Most often, yokes are used as snowshoes. They are fixed on self-tapping screws to the crate of soft flooring. The fastener has one drawback - the upper location of the fastener, which can lead to loss of tightness by the coating.

Popular options for homemade snow retainers

A home-made mechanism adapted for a specific building helps prevent the snow layer from descending from the roof and protect others. A self-made snowshoe is made from several materials - it is enough to choose and apply them correctly.

Bars made of wood as an anti-snow system

Wooden logs are mounted on hooks attached to the roof rafters or on the crate. The larger the diameter of the snowplow, the more precipitation it can hold.

Snow guard - grater

The design consists of teeth located on the surface of the roof. By creating obstacles and adding roughness, it does not allow the formation to slide off. It is made of various materials - wood, steel, profiled sheet.
The presented options will be the best solution for operation in the domestic climate. And to create a designer roof, snow blockers are decorated with animal figures or fancy monograms.
When equipping and designing snow retainers for roofs, consider their compatibility with roofing materials. Give preference to quality products or do them yourself, because your safety depends on the presence of the anti-snow system.

It was found that on the roof of a house with an area of ​​​​only 40 square meters. m can accumulate about 5-8 tons of snow. If there are no snow guards on the roof, then one can imagine what will happen to a person passing by when a huge mass of snow suddenly falls on him. In this case, the owner of the house may be punished, up to criminal liability, since according to the laws of Russian legislation, the owner of the property is fully responsible for the nearby territory of his home. In addition, snow melting can cause serious damage to both personal property and someone else's.

Types of snow retainers: corner, lattice, tubular.

Some people do not attach much importance to anti-landslide devices, worrying that they will spoil the design of the roof, but in fact this opinion is erroneous, since such systems, on the contrary, add touches of completeness. Due to the fact that snow retainers are safety devices, it is impossible to neglect their installation in any case. Accordingly, many will have the question of how to install snow retainers on the roof correctly, because not everyone has the opportunity to hire expensive specialists. Moreover, sometimes the price for their services far exceeds the cost of the device itself. Before you go directly to, you should figure out what types they are divided into.

Types of snow retention systems

1. Lattice snow retainers are the most popular, as they are considered the most effective. This is the best option, both for high-rise city houses, and for suburban private estates. An important plus is that this type of anti-fall device can be installed on almost any roof, regardless of what roofing material it is covered with. This system is usually made of metal and has the form of a lattice. Mount it either on hanging or nailed supports.
2. Lamellar (corner) snow retainers, which are made of the same material as the coating, can be mounted on a roof made of metal tiles and corrugated board. This is the most budget option. However, their installation is possible only on a roof whose slope angle does not exceed 30 degrees, otherwise they will be ineffective.
3. Snow stops look very similar to hooks. The installation of snow stops is carried out mainly on roofs with a soft roof, or they are used as additional elements that enhance safety in the winter. Nowadays, they are made of transparent plastic, which makes them invisible.
4. Tubular snow guards are in no way inferior to lattice ones and are a versatile, modern and highly efficient device that prevents sudden snow from the roof. This design is a connection of several pipes with special bracket-supports. They can be installed on a roof made of corrugated board, tiles, and it is also an excellent option for a seam roof.

Thus, it turns out that the most optimal options are two types of anti-landslide systems: lattice and tubular.

For some, the first system is suitable, and for some, the second. But in order to install the selected snow retainer on the roof, you need to know that there are individual installation rules for each type. If you decide to produce it yourself, then you will need to stock up on a standard set of tools that is suitable for installing both devices. It includes:

• stairs;
• drill;
• screwdriver;
• roulette;
• a hammer;
• level.

Rules for installing tubular snow retainers

Scheme of installation of a tubular snow retainer.

You can install these anti-landslide systems both on a roof that is just under construction, and on a finished one. They can be located on the roof in a checkerboard pattern and horizontally in one or more lines. They are installed above skylights, porches or walkways. In no case should they be placed above the cornice overhang.

Tubular snow retainers are attached perpendicular to the crate with special brackets, which, in addition to the fastening function, play the role of a uniform load distributor on the truss system, which prevents the snow retainers from “pulling out” from the roof. The brackets are directly fixed with metal screws. They should be located in places where there are load-bearing walls. The distance between the fasteners directly depends on the angle of the roof and the length of the slope. Usually it is somewhere around 0.5 m or 4 mounts per 3 meters. They should be mounted butt-to-butt, while it is necessary to set them exactly according to the level.

If the slope on the roof is long, then such security systems must be installed in several rows. When carried out, rubber washers should be placed between the roofing material and the supports. Such a measure will ensure tightness in places where fasteners pass and prevent leaks. In addition, such washers allow you to adjust the installation plane.

Rules for installing lattice snow retainers

Recently, with the advent of tubular systems in private construction, lattice snow retainers are increasingly used only for tiled roofs. To install lattice systems, it is necessary to purchase universal either suspended or nailed supports, through which they are placed on the roof. Nailed supports are attached to the roof sheathing with self-tapping screws, and suspended supports are hung on the sheathing using a special metal hook. Unlike other snow retainers, lattice systems can be installed directly along the edge of the eaves.

The widespread use of metal roofs is explained by their excellent performance and relatively low cost. At the same time, plastic water drainage systems are installed, and the building takes on a complete look in a modern style.

But few people know that metal roofing has one common and rather unpleasant drawback - a low coefficient of friction. As a result, in the spring, snow masses descend like an avalanche and damage the plastic elements of the spillway systems. In addition, this situation can cause serious injury to pedestrians. To protect people and structures, snow retainers should be installed.

Prices for snow guards

Snow guard

In order to understand the principles of mounting various types of snow retainers, it is necessary to become more familiar with their device, technical characteristics, advantages and disadvantages. These parameters have a great influence on the choice of the correct installation algorithm for rooftops.

Table. Types of designs of snow retainers

Type of snow retainer	Performance characteristics and mounting features
	They have different shapes and sizes, cut one thick layer of snow into several thin ones. This reduces the load on the gutter of the drain system and minimizes the risk of injury to passers-by. Tubular snow guards are fixed to the crate, which guarantees their high strength. In addition, they do not delay, but cut the snow, which further reduces the effort on the fasteners and increases the reliability and durability of the devices.
	All elements are made of galvanized steel, some have a decorative coating. Height 5–20 cm. The fastening method is no different from tubular ones. The disadvantage is that the gratings hold the entire snow cake, and it can have a very large mass. Such critical loads have a negative impact on the durability and safety of the structure.
	These devices are recommended to be installed only with insignificant snow cover parameters. The fact is that they are fixed not to the crate, but to the waves of metal sheets. Such a fastening is very fragile and breaks out under relatively small loads, leaving holes from under the hardware on the roof. As a result, leaks and the need to perform unscheduled repairs. If you follow the recommendations of manufacturers and mount corner plate snow guards only in regions with little snow cover, then a logical question arises - why snow guards where there is no snow? Why waste time and money just to drill extra holes in your roof?

In addition to these, there are also quite original point (rope) and wooden devices. But they are used so rarely that it is not necessary to describe them. Such snow retainers are completely ineffective, installation on the roof has only negative consequences.

Important. Snow guards are recommended to be installed only on metal roofs. Mounting them on a flexible bituminous tile, asbestos-cement slate, natural tile is impractical, since these coatings have a high coefficient of friction, snow never avalanches from them.

Prices for snow guards on a seam roof

Snow guard for rebated roof

Each type of snow retainer has its own mounting technology, but general recommendations have been developed for all cases. What exactly?

1. As mentioned above, it is advisable to install such structures only on roofs made of profiled sheets, metal tiles or seam roofs.

   

2. Snow guards prevent damage to plastic drainage systems. If a metal system of galvanized sheet steel is mounted on your house, hooks are made of a strip of carbon tool steel with a thickness of not about 2 mm, then no snow of this design is terrible.

   

3. It is strongly not recommended to mount corner lamellar snow retainers, you do not need to pay attention to manufacturers' advertising. Practice has proven not only their inefficiency, but also harmfulness. The risks of damage to the integrity of the roof exceed 90%, and where structures remain intact for several years, there is no snow. Lamellar snow retainers are fixed only to the metal sheets of the roof, this mounting option is the most unfortunate of all possible.

   

4. On the metal tile there is a slope of individual segments. In this regard, the laths of the crate have a strictly regulated step of 35 cm, at this distance there are even horizontal profile lines. Only such a condition ensures the correct position of the sheets, the load does not bend the profile, but is transferred directly to the truss system. This means that the distance between the fixation points should also be 35 cm, if this is not the case, then even at the stage of manufacturing the crate, it will be necessary to provide separate places for fixing tubular or lattice snow retainers and install additional rails.

   

5. The bearing brackets of the snow retainers must comply with the technical parameters of the roofing materials. They are the same for profiled sheets, others for a seam roof, and third for metal tiles. If you have any doubts, it is highly recommended to consult with a sales consultant. He must know the differences and performance characteristics of all types of mounting devices.

   

Failure to follow simple tips will cause big problems with the roof. You must always remember that snow retainers are not installed for beauty or completeness of the roof, but to perform strictly defined tasks.

Installation of tubular snow retainers

Each break in the metal tile should lie on the laths of the crate, the distance between them is 35 cm, but there may be other options. Brackets of snow retainers are fixed only to them. It is necessary to carefully study the manufacturer's instructions and only then proceed to.

Important. When buying devices, pay attention to the mounting brackets. The distance between the fixation points must fully correspond to the distance between the breaks. The lower end of the bracket should be curved, the length of the leg should correspond to the height of the tiles. This section of the bracket works in compression, if it is even, then the metal tile is deformed during operation.

Step 1. Count the number of snow retainers and hardware. The structures are fixed with special self-tapping screws, the diameter of the thread is slightly larger than that of the hardware for fixing metal tiles. The length is selected taking into account the thickness of the battens. The general rule is that it is desirable that the end of the self-tapping screw does not protrude beyond the bottom surface of the rail.

Step 2 Decide on a specific mounting location for devices. Architects recommend installing them in the plane of load-bearing walls, but not everything is so simple. It is necessary to take into account the overhang of the roof, in some cases its length does not allow fixing snow retainers. There are times when, on complex multi-pitched roofs, the location is chosen taking into account the zones of maximum snow cover height, the presence of skylights and doors. If it is difficult to make a final decision on your own, then it is better to consult with experienced roofers. They have been observing the behavior and functionality of snow guards located in various places for many years and know the places for their optimal fixation.

Installation can be done directly from the roof, stairs or scaffolding. If the elements are located near the edges of the slopes, then you need to work from the stairs, if far away, then you need to climb the roof.

Important! Never disregard safety regulations. You can not rely only on experience and luck, especially if the work is carried out at a height.

Step 3 Place the brackets on the roof, check their position. Fasten the elements to the roof with a cordless screwdriver. Each requires two self-tapping screws, both should be screwed in as close as possible to the breaks in the tiles. Fixing is done in several stages.

1. Attach the bracket to the roof and mark where to drill the holes. This can be done with a felt-tip pen or immediately with a drill for metal.

   

2. Remove the bracket and carefully drill holes, note that holes should only be made in the metal tile, the laths of the crate should remain intact. While drilling, gently press down on the tool.

   

3. Insert a self-tapping screw into the bracket hole, put a rubber sealing gasket on it from below. It is made from a modified material that is not afraid of the negative effects of ultraviolet rays. Special rubber does not crack for a long time, does not have the effect of fatigue from internal stresses and retains elasticity at low temperatures. Such physical characteristics make it possible to guarantee a long period of reliable sealing of the snow retainer attachment points.

   

4. Screw the fasteners firmly.

   

Pay attention to pads. Some types of brackets do not have bent legs; the height of the tile elements is leveled due to linings. The front is shorter than the back, do not confuse them when installing snow retainers.

The number of elements and the distance between them is selected individually in each case. This takes into account the length and angle of inclination of the slopes and the climatic zone of the building.

Step 4 Insert the tubes into the special holes in the brackets, their diameter makes it easy to enter the prepared places, but not to stagger.

Practical advice. If the length of the eaves of the house exceeds three meters, then it is necessary to mount another set of snow retainers. The tubes of both devices are firmly fixed to each other; for this, the manufacturer has provided a detachable double socket connection. To exclude the possibility of spontaneous exit from the connection, it must be fixed with a bolt and nut, the pipes have through holes for this purpose. It is not necessary to tighten the nut strongly, it is enough to tighten the nut by hand.

If everything is done correctly, then the design will reliably cope with its tasks for a long period of time.

Installation of corner lamellar snow retainers

Prices for popular models of screwdrivers

Screwdrivers

We have already mentioned that this is the worst option for protecting the roof from snow avalanches. But if there is a desire to use such structures, then it is recommended to take into account practical advice, they minimize possible negative consequences.

Step 1. The snow retainer strips are laid out on the roof and markings are made, after which the edge of the product is fixed. Self-tapping screws need to be screwed only into the crest of the wave. For convenience, you can make holes first in the roof, and then in the plate. The length of the self-tapping screws must be such that the fixation is carried out to the lath of the crate. This means that the first attachment point is always located on the bend of the tile.

Step 3 Finally, fix the bar in the middle. There are 6 screws for each plate.

Do not install plate elements in a continuous row, make gaps between them. This will reduce the load on the snow retainers and reduce the risk of separation.

Due to the fact that the holes are made in the ridges, leakage will be very small, there is no need to install special seals. A few drops of water caught during a heavy downpour will dry without any problems, there will be no harm.

If the angle of inclination of the slope does not exceed 15 °, then snow retainers are not needed, the snow melts slowly even without them, there are no avalanches. And the main advice - do not buy corner plate snow retainers, use more reliable and functional types. Moreover, there are many options for sale with different color and design solutions. It is not difficult to choose the most successful one for yourself.

Video - Installation of snow retainers on the roof

When installing snow retainers, it is very important not to damage the roofing in order to avoid leaks. But what if this did happen? You can read about how to seal the roof, and which sealant is better.

In snowy winters, pitched roofs are a hidden source of danger, because the collected solid precipitation can fall on passers-by at any moment. To avoid this, snow retainers are installed on the roof. The use of the device is essential if the finish is made of smooth corrugated board. Thanks to snow retainers, solid precipitation remains on the roof surface, and when it warms up, melt water flows down gutters. Let's find out what this device is, about its varieties and provide installation instructions.

Types of snow retainers for corrugated roofs

Snow barrier systems differ in shape, size, material, as well as the reliability of the design. For profiled sheet roofs, structures are used in which a structure made of pipes, gratings or corners acts as a snow stop. Let's consider each type in more detail.

lattice

This is the simplest, but at the same time quite effective type of snow retention devices. The universal design consists of brackets that are attached to the roof, and vertical gratings. Such barriers are capable of retaining even the smallest pieces of ice, due to which a large mass of snow can accumulate on the roof. Therefore, snow retainers of this type are installed only on roofs with a high bearing capacity.

All parts are made of galvanized steel and painted with moisture-resistant paint, so the gratings can be matched to the tone of the roof. As for the dimensions of the grille, they may vary depending on the model, and the snow retention capacity of the system directly depends on them. The smallest barriers have a height of about 5 cm, and the largest - 20 cm.

The principle of their work is slightly different from the lattice ones. In addition to retaining a large amount of snow, tubular systems let it through a little, which reduces the load on the roof. Such snow retainers can be mounted on roofs of any type and with an angle of inclination up to 60 °.

This is interesting: on roofs with a slope of more than 60 °, these systems are not installed - it is believed that precipitation does not linger on them at all.

Like the previous view, tubular structures are made of galvanized steel, followed by a paint layer. As a result, the product is durable, not subject to corrosion. The color can be matched to any roof. Tubular snow barriers are equipped with two pipes with a diameter of 15 to 30 mm and a length of 1 to 3 m, as well as fasteners and brackets with plates for attaching to the roof. The number of supports depends on the length of the pipe.

This type is considered the least successful, since the corner snow guards completely prevent the passage of snow. Therefore, in regions with significant rainfall, these devices are not used. This is due to the fact that their height often does not exceed 6 cm. In addition, corner snow barriers are made from metal sheets comparable in thickness to a profiled sheet. Therefore, they do not have sufficient strength to hold large snow piles.

It is advisable to use such products only in regions with low snow cover and install on roofs with a slope of no more than 30 °. In this case, the latter will have to be cleaned from time to time from snow and accumulated dirt.

There is another type of snow retainers for corrugated roofs - these are point barriers. But these systems appeared relatively recently and it is too early to talk about their reliability. However, compared to corner ones, point devices have an advantage in terms of fasteners - their installation does not involve connecting with the crate, but with the roofing metal itself. They keep only part of the snow on the roof. However, this is enough to prevent an avalanche.

Installation Features

Installation of each type of snow retention systems on corrugated roofing may have some features. For example, the installation of corner products is the simplest and is done using self-tapping screws with a rubber washer. Fastening with a self-tapping screw is carried out in a wave of profiled flooring. For the installation of corner barriers, it is possible to do without reinforcing the crate, however, the fastener must cut tightly into the wood. Otherwise, the design will be fragile. Fastenings of corner snow retainers must be placed through one wave.

As for tubular and lattice systems, their snow-retaining elements are installed on the roof using support brackets. The latter are attached in the same way as corner products - on self-tapping screws. Both types are located around the entire perimeter of the building, along the slope. Arrange them in one or more rows.

Installing any of these types of systems is not a difficult task. This work can be done with your own hands, without the help of a builder. Let's go directly to the installation.

Preparing for installation

Before fixing snow retainers, you need to decide on the type of snow retainers and the number of rows. As mentioned earlier, the choice should be made based on the intensity of precipitation in your area. It is important to take into account the angle of the roof on which the barrier is planned to be installed, and the presence of a fence on the roof.

Important: the device must be installed above the roof fence. However, if this is not possible, the designs can be combined.

Now let's start marking. We measure the perimeter of the roof and mark the optimal locations for the stops. The distance from the last bracket to the edge of the pipe must not exceed 300 mm. The maximum distance between the brackets is 1,100 mm.

Usually the snow retainer is installed at a distance of 600 mm from the edge of the cornice overhang and parallel to it. If the installation of another barrier is required, then it can be placed no closer than 2-3 meters from the neighboring one.

To work, you will need the following tools:

• yardstick;
• marker;
• set of drills;
• drill;
• self-tapping screws with rubber gaskets (usually supplied with the system).

Upon completion of the preparatory work, you can proceed to the installation of the system. As an example, consider the installation of tubular snow retainers, which are considered the most reliable, efficient and most popular.

Fastening instructions using the example of a tubular structure

The installation procedure for tubular snow retainers is as follows:

1. In accordance with the markings, we fasten the support brackets to the screws using a perforator.
2. We insert the pipes of the snow retainer into the holes of the bracket.
3. To achieve the required length, the pipes are joined together. For this, a special one-sided crimp is provided. The joint is fixed with a bolted connection.
4. Similar actions are performed on each side of the building, around the entire perimeter.
5. At the end, you need to check the bolted connections again.

Photo example of step-by-step installation

The installation procedure for lattice-type snow retainers is completely similar to the above. And the installation of corner products differs only in the absence of points 2 and 3.

Despite the fact that the use of special devices significantly increases safety and reduces roof wear, do not forget about the need for regular roof cleaning. This will reduce the load on building structures and extend their service life.

Mounting snow retainers on the roof of a profiled sheet, detailed instructions

In winter, you can often see how a pile of snow falls from the roof. What if it hits a person? To prevent such situations, a snow retainer was created.

Types and installation of snow retainers on corrugated board

Snowy winter is a common occurrence for many regions of our country. Ice and snow masses are a problem for yards and roads, but they can bring even more trouble to the roofing systems of buildings. After all, even a small layer of snow exerts tremendous pressure on the surface. That is why many owners of private houses prefer roofs made of smooth materials. For example, from metal tiles or corrugated board, since precipitation is removed from such a coating under its own weight without outside interference.

However, a new problem appears - heavy snow and ice growths can slide off the roof at the most inopportune moment, in particular, when a car or a person is near the house. This, in turn, causes not only material damage, but also becomes a threat to the lives of passers-by. To avoid this problem, you should install snow retainers for corrugated board. It is this element that can hold snow blocks on the roof, but at the same time it will not prevent the removal of melted water, which will easily leave the roof through the drainage system. Such designs differ in their configuration, price and installation option. To choose the right snow retention system for a particular corrugated roof, you should pay attention to factors such as the amount of snow cover in the region and the angle of inclination of the slopes for the corrugated board. Let us consider in detail the issues of choosing such products, their varieties and the correct installation of snow retainers on corrugated board

Varieties of snow retainers

The main purpose of the snow retention system is to prevent large snow masses from sliding off the roof. Similar products are mounted on roofs, with an angle of inclination up to 60 degrees. Roofs with a slope of more than 60 degrees, as a rule, do not require additional equipment to prevent sudden snow sliding, since with such a roof steepness, any precipitation does not linger on the surface. Today it is customary to distinguish between two main types of structures for retaining snow.

1. Snow barriers - that is, structures that prevent any amount of snow or ice from descending from the roof. They are able to hold rather voluminous snow layers on the roof surface. This property is useful when an additional source of thermal insulation is required in winter and a large layer of snow does an excellent job of this task.
2. Snow cutters are products that pass snow through themselves. Such systems cut snow masses into small fragments that can freely slide off the roof. At the same time, the portion size is insignificant, that is, the safety of both others and various property remains at the proper level, but the roofs do not experience unnecessary pressure.

Also, each type is divided into subspecies. In particular, the following barrier designs can be mentioned:

In turn, snow cutters have their own subspecies:

It is worth considering each subspecies separately in order to understand what kind of variety you want to put on your own home and how they are installed.

Tubular snow cutters

Tubular snow guards consist of several durable pipes fixed between special supports. Since the products are not solid, they easily pass a certain amount of snow masses through themselves. At the same time, a large snowdrift will not be able to slide off the roof as a whole, that is, the mass will be cut into smaller portions. Also, such snow retainers reduce the kinetic energy of the falling snow and minimize its destructive ability. The design has the following parameters:

• height - up to 15 cm;
• pipe diameter - 1.5-3 cm;
• pipe length - 1-3 m;
• number of pipes - 2;
• number of brackets - 2-4.

Products are made of galvanized steel, and to give a decorative look, they are covered on top with a layer of strong and durable paint. At the same time, it is easy to match the tone of the snow cutters to the shade of the corrugated roofing. Brackets are supplied with special screws, with the help of which installation is carried out. In order for the structure to effectively perform its functions, the first pipe is installed at a distance of 2-3 cm from the roof surface, and the gap between the pipes is 8-10 cm. This allows you to create a durable product that can easily withstand even heavy loads. It is possible to install a snow retainer of this type on metal roofs, the slopes of which have a large slope, up to 60 degrees.

Today, it is tubular snow retainers for corrugated board that are considered one of the most reliable types of products of this type. They are able to withstand high pressure of snow and ice masses, but on condition that a pipe with an oval profile is used. Other types of pipes are less efficient and often deform under stress. Tubular snow cutters can be used on roofing systems not only from corrugated board, but also on coatings made of metal, bituminous or natural tiles and other types of sheet and roll roofs. They are mounted in a continuous row along the entire slope. In places that require additional protection from snow, such as a roof over a parking lot or a walkway, a porch, etc., it is recommended to install snow blowers in two rows. The distance between the rows is 2-3 m. At the same time, the first row is fixed with an indent from the cornice overhang of 40-50 cm. The most famous models are produced under the Optima brand. Such tubular snow retainers are highly reliable, corrosion resistant and durable. When buying, you should make sure that the product is able to withstand the design load, and during installation it is important to ensure the required tightness.

Lattice snow guards

This type of snow retention structure consists of lattice sections of various modifications and special mounting brackets. At the same time, the height of the product, the length of the section, the purpose and shape of the profile may differ. The installation of snow retainers on a corrugated roof resembles the installation of tubular models - a vertical grille is mounted on fixed brackets. If necessary, increase the length, you can join several sections together. All elements are made of galvanized steel, which gives them high strength and reliability. However, it should be borne in mind that under the influence of large snow masses, thin plates can be deformed, which will lead to a decrease in their effectiveness. Therefore, if the snow loads in a particular region are quite large, then you should choose the type of lattice snow cutters, in which the lattice is welded to longitudinally installed pipes, and the brackets are thick. This design is characterized by maximum reliability and durability.

The sizes of lattice snow retainers can be different. At the same time, both the height differs, for example, large lattices have a height of 15-20 cm, and small ones - 5-7 cm, and the shape of the profile, that is, cells, rectangles, rhombuses, and so on. Important! Lattice snow cutters are distinguished by the type of roof, that is, you can purchase products that are designed for:

• ceramic tiles;
• metal profile;
• seam roof;
• soft roll roofing.

This means that when buying, you should pay attention to what types of coatings the products are intended for and follow the markings exactly. It will not be a problem to choose the color of the snow cutter, because the products are painted with powder dyes in a wide range of colors. The snow retainer is fastened to the profiled sheet along the eaves. To strengthen the structure, it may be necessary to install an additional beam to the crate under the corrugated board. Of course, if this was not done at the stage of installing the truss system, then you can simply add a few brackets for a stronger and more secure fixation.

Rope snow guards

Such products are also called point snow cutters. They are small hooks or teeth located along the entire slope in a checkerboard pattern. Unfortunately, such products are not able to hold large snow masses. That is why it is recommended to install them only as additional products to lattice or tubular snow retainers. Also, they are most often mounted on roofs made of bituminous tiles. Since such a surface holds snow well on its own and only a small additional insurance is needed, which is provided by snow retainers of this type. Hooks should be mounted at a distance of 0.5-0.7 m from each other in a run.

Lamellar snow guards

This is a barrier type of systems, which are also called corner snow retainers. They are mounted at low volumes of winter precipitation. Metal products are produced and have a tone corresponding to profiled sheet roofs. Externally, the product has the form of a plate bent in the form of a triangle, with two faces on each side. It is on such protrusions that installation is carried out to the base. The height of the barrier is small, up to 6 cm, and it is recommended to mount them only on roofs, the slopes of which have a slope of no more than 30 degrees. Snow retainers are installed on the roof from a profiled sheet in 2 or more rows in a checkerboard pattern. At the same time, it is desirable to maintain the distance between rows in the range of 0.5-1 m. In view of the fact that such a design is not able to withstand the pressure of large snow masses, they should be placed only on objects in areas with a minimum amount of precipitation, or they should be used as an additional element to other types of snow retainers.

Log snow guard

Such a system consists of a wooden log and brackets. Of course, with the advent of tubular snow cutters, such a snow retainer for corrugated board is used extremely rarely. Depending on the size of the logs, the amount of snow that can stay on the roof also changes, thanks to a similar design. During installation, it is necessary to fix the brackets directly on the crate or truss system, since the weight of the wood is quite high, as well as the pressure exerted by the product on the roof. Installation is carried out with an indent from the coating of 2-3 cm. This gap is necessary for the free flow of melt water, while the bulk of the snow is held on the roof until it completely melts.

Installation of any type of snow retainers is recommended to be carried out using special fasteners, as well as hermetic linings. After all, if the integrity of the metal roof is violated, the probability of corrosive formations is high. When deciding how to install snow retainers on corrugated board, it is worth proceeding from the angle of inclination of the roof, as well as the amount of precipitation in the region. At the same time, the greater the slope of the slopes, the more rows of snow retainers should be installed. Snow cutters or snow retainers for corrugated board are an important safety element, both for the building itself and for the residents of the house in the winter. After all, metal roofs are not able to hold snow masses on their surface for a long time. As soon as a slight warming occurs, the likelihood of the collapse of snow and ice blocks increases. To completely avoid this or reduce the portion of falling snow, it is necessary to use special snow retainers. One of the best configurations to date has become tubular structures, which have a low cost, but great strength and durability, and you can even mount them on your own.

Installation of snow retainers on the roof of corrugated board: fastening, types

Varieties of snow retainers for corrugated roofs. Features of the installation of snow catchers of types: tubular, lattice, rope tow, corner, log.

Snow retainers on the roof from a profiled sheet: how to install?

Snow on the roof, especially metal, is not a reason for a beautiful shot. This is danger. When a large snow mass accumulates on the roof, it comes off. And it’s good if it’s not a person, but a car or a barn that gets in its way, and you get off with only damage to property. And if not? This situation can be easily prevented: it is enough to install snow retainers on the roof from corrugated board. Save on them is not worth it: the consequences can be disastrous.

Types of snow retainers

Snowplows for corrugated roofs come in 4 types:

The tubular snow retainer consists of 2-3 pipes, which are located one above the other and connected with supports. Such a design does not retain snow in the usual sense of the word, but, as it were, “cuts” the snow mass. As a result, it descends to the ground in small and safe portions. Tubular snow guards are preferred for mounting on a metal roof. They not only ensure the safety of passage under the roof, but reduce the snow load.

Unlike tubular ones, lattice snow guards are able to hold the entire mass of snow on the roof. They can even hold small pieces of ice. This is a good option for the southern and central regions, but in the northern regions they can only be used if the roof is designed for a heavy load. In addition, the trellis should be cleaned at the end of autumn, as the trellis is easily clogged with leaves.

Corner - the cheapest, but unreliable snow retainers. They are a bent metal strip of small height. Such a snow retainer, installed on the roof, prevents the snow mass from coming off. It can only be mounted on roofs with a slope of less than 30ºС, since it is not strong enough to withstand a large mass of snow.

It is highly undesirable to install corner snow guards in areas with a large snow load. There are frequent cases when, under the influence of a snow mass, the fasteners could not withstand and the screws literally pulled out of the roofing. In this case, not only does compacted snow fall onto the sidewalk or road, but the roof itself is damaged.

Spot snow guards are designed for regions with a small snow load, as well as for regularly serviced roofs. In some cases, they are used as auxiliary snowplows. Rope snow guards on the roof made of profiled sheet, depending on the type, are attached either to the wave or directly to the crate through the metal sheet of the roof. They should be mounted in a checkerboard pattern.

Where to install?

Installing snow retainers on a corrugated roof around its entire perimeter does not make sense. It is necessary to mount them only in places where snow causes inconvenience or represents a danger:

1. Above all exits from the house, including emergency exits, which are used in winter;
2. Over paths and sidewalks;
3. Above the roof windows, otherwise in winter you will not be able to ventilate the attic;
4. Above roofing junctions and pipe outlets through the roof;
5. Above the parking space in front of the garage;
6. And in all other places where snowfall can cause damage.

You must understand that snow retainers on a corrugated roof will not relieve you of the need to clean snow on it. Especially if you have chosen those designs that prevent even its portioned gathering. A large snow cover on the roof is a test for the truss system, so it must be cleaned at least once a month. And also after every heavy snowfall.

In particular, regular snow cleaning is relevant for a smooth metal roof made of corrugated board. Since any metal has a high thermal conductivity, it quickly heats up on a sunny day. As a result, the snow immediately adjacent to the roofing melts, and a thin layer of water forms under the snow mass. Snow can simply slide along it, and no snow block will hold such a mass.

Installation methods

There are two ways to install snow retainers on the roof:

• Fasten the supports directly to the crate and lay a sheet of corrugated board on top;
• Fasten the supports to the crate through the sheet using self-tapping screws.

The choice of mounting method depends on what kind of fastening is provided for by the design of a particular snow retainer: clamping or hanging.

The type of fastening usually does not depend on the design of the snow retainer, with the exception of the corner ones - their installation is always carried out according to the second scheme. They are fixed with self-tapping screws on both sides: the side closest to the ridge is fixed in each wave, and the one closer to the overhang - through one.

Those snow retainers that should be installed on suspension supports are mounted together with the laying of corrugated board. If the roof is already ready, it will no longer be possible to fix them. Suspension fasteners are hooked onto the batten beam in such a way that the mounting hook is outside after laying the roofing sheets at a distance of 500 mm from the edge of the overhang. Moreover, most models do not need additional fixation with self-tapping screws. After that, the snow retainers themselves are mounted on the protruding mounts.

Both under the suspension and under the clamping supports there are special linings that protect the corrugated board from damage. They always come with snow guards. In addition to the pads, the mounting kit always includes a decorative trim, which must be installed after the installation is completed.

If possible, try to choose those snow guards that are suspended. Yes, they are harder to install. But this is offset by greater reliability and the absence of additional damage to the metal sheet.

Installation rules

Regardless of the type of fasteners, when installing snow retainers, there are 5 universal rules that must be followed. They are:

1. For fixing structures, only special self-tapping screws with a rubber gasket are used, which will protect the attachment points from corrosion;
2. To install snow retainers, only the fasteners and accessories that come with them are used;
3. With a slope length of more than 5.5 meters, snow retainers are attached in several rows every 3-3.5 meters.
4. If installation in several rows is necessary, before installing snow retainers, it is necessary to consider a plan for their placement;
5. During installation work on the roof, one should not forget about the simplest safety rules: use safety ropes and shoes with non-rigid soles;
6. During installation, care must be taken not to damage the corrugated board coating, since any scratch will sooner or later cause corrosion.

In general, installing snow retainers is no more difficult than installing corrugated roofing. And it is quite easy to deal with it if you follow the recommendations outlined in the article and listen to common sense.

Installation of snow retainers on the roof of corrugated board

In order to avoid uncontrolled and dangerous snowfall on a metal roof, snow retainers are required. Do not install them yourself

Snow retainers on the roof from a profiled sheet - functions, types, installation

On the territory of Russia, pitched roofs are more popular, on which snow does not linger. However, the problem of steep slopes is the spontaneous descent of snow masses, which threatens the health and even the life of people passing by. More than others, roofs made of materials with a smooth surface, in particular profiled sheets, suffer from this. To prevent snow from slipping, special devices are used, in everyday life called snow retainers. This article will tell you what snow retention measures are applied to a corrugated roof and how do-it-yourself devices are installed to prevent snow from falling.

Russia is famous for its frosty and snowy winters, and in some regions the cold season lasts 8-9 months. Snow accumulating on the slopes increases the load on the truss frame and the foundation of the house, so most buildings are built with a steep roof, the slope of which is at least 35 degrees. And if a profiled sheet is used as a roofing material with a smooth, slippery surface, then the snow immediately slides off on its own. Warm air rising from the heated rooms heats the roof, due to which an ice crust forms on it.

Do-it-yourself snow guards save homeowners from the following problems:

1. They retain snow masses on the roof of corrugated board or profiled sheet until they melt under the influence of the sun. In this case, melt water enters the drain, and then into the storm sewer, without washing out the blind area of ​​​​the foundation or the approach paths.
2. Snow guards cut the snow cap located on the roof from the profiled sheet into thin layers, the fall of which will not harm the casual passersby.
3. The installation of snow retainers protects the roof drain from corrugated board from deformation, preventing snow masses from slipping there.

Important! The ice crust, which forms on the roof from the profiled sheet due to the thawing of the lower layer of snow, scratches the roof surface when descending from the slope. These scratches in the future, when water penetrates, will become foci of corrosion, leading to premature destruction of the material. This problem is solved by installing snow retainers with your own hands.

Principles of snow retention

Typically, roof snow retainers are matched to the roof covering by color and material. Manufacturers producing corrugated board and profiled sheet usually complete their products with snow-retaining elements, which, according to the principle of operation, are divided into two types:

• Snow barriers. These devices are installed on the roof to stop the avalanche of snow masses. They hold the snow until the sun's rays melt it. The disadvantage of this design is that the snow cap greatly increases the load on the roof truss frame and the foundation of the house. To avoid deformation of the roofing when using snow barriers, you will have to manually clean the slope from snow in a timely manner.

If the roof has a corrugated board coating, devices must be installed on it to prevent spontaneous snowfall. Since their absence creates a danger to the health of the inhabitants of the house and harms the roofing, reducing the life of the material.

Installing snow guards is the process of creating a physical barrier made of durable material that can stop and hold the snow mass on the slope. The type and number of elements for snow retention depends on the amount of precipitation, the slope of the slopes and the type of roofing. For roofs from a professional sheet, the following models are used:

1. Trellised. They are a lattice 15-20 cm high, mounted on brackets along the roof slope. Do-it-yourself installation of devices of this type is recommended only if the truss frame has sufficient bearing capacity, as they hold heavy snowdrifts and large ice floes on the roof surface.

Note! Usually, builders recommend installing snow-retaining elements along the entire roof slope with their own hands, but this undertaking is associated with serious financial costs. To reduce costs, install snow retainers only over critical areas: driveways, parking lots, porches, green spaces. If the slope length exceeds 5 m, then installation in two rows is recommended.

When mounting snow-retaining devices on a roof from a profiled sheet with your own hands, you should pay attention to this task. Fasteners violate the integrity of the roofing, so roofing screws with a press head and a rubber seal are used. Installation technology sees as follows:

• The first step is to determine the installation location. The first row of snow retainers is installed along the cornice overhang, above the load-bearing wall of the house. At that level, a lace is pulled along the slope.

Important! All snow retention devices are under enormous stress, so they must be made of high-quality metal. Each bracket is fixed with at least three roofing screws. If the installation is done carelessly, the snow cap will tear out the snow retainers with a large mass, deforming the roofing.

Experienced roofers recommend the installation of tubular snow guards, which are suitable even for very steep roofs with an inclination angle of more than 60 degrees. Good efficiency is demonstrated by hybrid devices, which are a grid welded to tubular snow retention elements. To save money, you can make them yourself.

Do-it-yourself installation of snow retainers on the roof of corrugated board

What snow retainers on the roof from the profiled sheet to choose? Overview of popular snow retention devices used on corrugated board, their features and installation

Construction of houses

In regions with snowy winters, there is a common problem - an avalanche of snow from the roof of a house, which can not only cause material damage, but also take the lives of passers-by. You can avoid this problem by installing snow retainers on the roof. These structures allow you to keep the main layer of snow on the roof surface. Only when it melts, the water from the snow can flow freely through the gutters. The type of snow retainers is selected depending on several important factors: the angle of inclination of the slope, roofing material and the amount of snow cover in the region. Let us consider in more detail what types of snow retainers are and what are the features of their installation on different roofs.

Types of snow retainers for the roof

Snow guards on the roof can be bought together with roofing material during the construction of the house, or can be purchased separately when the house is already built. In different stores, such devices can be called differently: snow blocking fences, snow guards, snow stops, snow cutters, snow barriers, snow feet, and of course, snow guards. Such a variety of names is due to the fact that these simple devices can perform different functions.

The first category is snow barriers or snow blocking fences- completely keep the snow on the roof surface. Snow should melt naturally on the roof. The descent of its layers, even partially from the roof, is unacceptable.

The second category is snow cutters- designed to cut a common layer of snow into small pieces. Thus, its energy during the fall is much lower than it would be if the entire layer of snow descended in an avalanche. This is enough to ensure safety.

Roof snow retainers differ not only in shape and size, but also in material and design reliability. First of all, when choosing one or another type of snow retainers, it is necessary to focus on how much snow it should hold back.

Tubular snow guards

The tubular snow retainer for the roof is a construction of brackets into which two pipes with a diameter of 15 - 30 mm are inserted. The total height of the structure is about 15 cm. The bracket looks like a vertical plate with holes for pipes. At the bottom of the bracket there is a horizontal shelf for fastening to the roof slope. Screws for metal 8x60 mm with a hex head are screwed into it. Sometimes the type of bracket may differ depending on what type of roofing material the snow retainer will be used for. The method of installation may also differ.

The structural strength of the tubular snow retainer depends on the distance between the lower pipe and the roof surface. The optimal distance is 2 - 3 cm from the roof to the first pipe and 8 - 10 cm between the pipes.

Important! Tubular snow guards can be installed on roofs with very steep slopes up to 60°. Indeed, in such cases, the snow pressure is very high and its movement occurs very often. On roofs with a slope of more than 60 °, snow retainers are not installed at all, since it is believed that snow does not linger on them and crumbles immediately.

Tubular snow cutters belong to the category of snow retainers, which is designed to cut the snow layer into several parts. These structures are considered the most reliable, able to withstand the powerful pressure of a snow layer and can be used on roofs of any type - from sheet, rolled soft materials, as well as from natural tiles. They are installed around the entire perimeter of the building, along the entire slope. Moreover, the installation of tubular snow cutters is carried out in a continuous row, and not in a run. Sometimes, when the snow load is very high, two rows of snow retainers are placed at a distance of 2–3 m from each other.

The fixing of the lower row of tubular snow retainers is carried out above the bearing wall, i.e. at a distance of 40 - 50 cm from the cornice overhang. After installation, they are practically invisible against the background of the roof, because the color of the snow retainers can be matched to the color of the roof. Typically, tubular structures are made of galvanized steel, and are coated on top with a layer of paint to match the color of the roofing material. As a result, the product is durable, non-corrosive.

Lattice snow guards

Lattice snow retainers on the roof have a variety of sizes. Universal type of construction: brackets to which the vertical grille is attached. All parts are made of galvanized steel, painted on top, so that the gratings can also be matched to the tone of the roof. But the size of the lattice can be different. The largest ones are 15–20 cm high, but there are also small ones, where the height of the lattice is not more than 5–7 cm. Naturally, depending on the size, lattice snow retainers can hold a different amount of snow.

A large steel grating is able to resist a large amount of snow masses with ice floes. As a rule, the entire layer of snow is held on the roof, including the smallest pieces of ice, and only melted water flows down.

Lattice snow guards are installed on long slopes with a rather large slope to ensure that blocks of snow do not fall. The effectiveness of these actions depends on the height of the lattice. Also, the material of the roof does not matter either, almost all materials have their own types of fasteners.

Important! Please note that tubular snow guards are a more durable design. If the volume of snow is too large, the lattice plates may buckle, bend outward under the pressure of the block. What does not happen with pipes due to the strength of the structure. The strength of trellis snow guards is also affected by the shape and reliability of the brackets or guides. You should not buy flimsy products, the same thickness as the grate itself.

There are also designs of lattice snow retainers in which the lattice is welded to the longitudinal pipes. In this case, the product is extremely reliable.

The installation of lattice snow retainers is carried out in a row along the slope eaves. If the length of the slope is more than 5.5 m and at the same time there is a large snow load in the region, then in addition to the lattice ones, other types of snow stops are installed, for example, lamellar ones.

Corner or plate snow guards

With small amounts of snow, corner snow retainers are installed on the roof. Basically, they are mounted on roofs made of metal tiles or corrugated board, since the snow retainers themselves are made of the same material and have the same color.

As can be seen in the photo showing the corner snow retainers on the roof, they are metal products bent into a triangular structure with two faces and shelves for attaching to the base. The height of such snow retainers is from 4 to 6 cm. They are usually installed on roofs where the slope angle does not exceed 30 °, since they simply cannot withstand a lot of pressure.

Corner snow retainers are fastened directly to the roofing material, including the upper wave of corrugated materials.

Install similar snowplows along the ridge in a checkerboard pattern in several rows, from 2. Distance between rows from 50 cm to 1 m.

Corner snow retainers are not very durable, they are not able to keep a large layer of snow from convergence, therefore they are used in regions where there is not much precipitation. Also, the roof must be regularly cleaned of snow.

Yokes - point snow retainers

Rope snow guards, or, as they are also called, hooks, are not ways to hold back any significant amount of snow, therefore they are used as an addition to lattice and tubular snow guards, as well as on a soft roof with a slight slope.

On a soft roof, snow usually lingers on its own, this is facilitated by the rough surface of the material, sprinkled with granules. For example, on bituminous tiles or roofing material, snow accumulates and is held without problems. And if the slope of the roof is small, then snow is unlikely to come off. However, for safety net, point tow snow retainers are installed, in a checkerboard pattern at a distance of 50 - 70 cm from each other.

A feature of the yokes is that they can only be installed at the stage of roof installation. They are triangles with a long plate for fastening to the crate. The plate should be located under the roofing material, and is attached to the crate, bituminous tiles are laid on top and hide the attachment points. Thus, the roof is protected from leaks.

Wooden log as a snow retainer

Wooden logs are rarely used to hold snow. They can be found on an equally rare wooden roof - shingles or shingle roofing. Logs are installed on special hooks that are fixed to the crate or rafters of the roof structure. The larger the diameter of the log, the greater the volume of snow that such a snowplow can hold.

The log itself is located at a small height above the roof surface - 2 - 3 cm. Therefore, melting snow can flow freely to the drains. The rest of the snow is held until complete melting.

Installation of snow guards on the roof

It is best to mount snow retainers together with roofing material. Sometimes it is recommended to install snow guards not around the entire perimeter of the roof, but only over important objects: footpaths, car parking, roof windows and balconies. Installation sites are selected on the basis that when an avalanche descends from a roof with a slope of 35 °, the snow fall zone is 0.4 - 1.5 m from the roof overhang.

The distance from the snow retainer to the cornice overhang should be from 50 cm to 80 cm. It is impossible to mount snow retainers directly on the cornice overhang. The only exception is the case when the eaves are formed by the roof rafters.

Important! If you install snow-retaining structures on or near the eaves, the cornice will inevitably collapse along with the snow-retainers and an avalanche. The lightweight construction of the overhang is simply not capable of withstanding such pressure.

The price of snow retainers on the roof depends on the type of product, material of manufacture, size and popularity of the manufacturer's brand. And it can vary in the range from 1.5 to 230 USD.

Snow guards for metal roofs

Metal tile is by far the most common roofing material. But its design itself suggests that snow will fall on it very often. The smooth surface of the material practically does not retain snow. And the sensitivity of the material to temperature changes contributes to the fact that during the day the snow melts and slides down the surface of the metal tile, carrying the entire layer of snow and ice.

Given all this, snow guards for metal tiles are simply an urgent need.

For roofs covered with metal tiles, you can use such types of snow retainers:

The latter are used only on slopes with a small slope and in regions with little snowy winters. In other cases, tubular and lattice structures are used, as the most durable and easy to install.

Fastening of tubular and lattice snow guards produced directly through the roofing material:

• We plan where the snow retainer will be located.
• We strengthen the crate with an additional bar.
• We assemble the snow retainer kit, but do not tighten the bolts.
• We fix the roofing material, and from above we drill holes for fastening. The holes should be located in the lower wave, which is adjacent to the crate.
• We fix the assembled bracket to the slope with 8x60 mm bolts. The holes are sealed with rubber pads. The step between the brackets depends on the slope of the roof and the length of the slope. The greater the slope, the more often the brackets should be located. For example, a step of 50 cm will be more than enough for the most durable construction.

• We insert pipes into the brackets. Or if lattice snow retainers are mounted, then we connect adjacent sets to each other.

We remind you that it is necessary to mount snow retainers above the bearing wall. To install a snow retainer above the roof window, it is necessary to strengthen the crate.

If the slope is longer than 5.5 m, two rows of snow retainers should be installed.

Depending on the type of metal tile, the design of the bracket supports is different. For example, for installation on the Monterrey metal tile, snow retainers are used, the brackets of which are equipped with a special ledge. This makes it possible not to strengthen the crate.

Snow guards for corrugated roofs

The surface of the corrugated board is as smooth and sensitive to temperature changes as that of a metal tile. Therefore, snow retainers are simply necessary to keep snow on the roof. In addition, the melted snow freezes in the evening, when the next day, again the melted snow begins to move along the roof, the ice scratches the corrugated board. As a result, over time, the galvanized coating is peeled off, scratches appear in which rust develops.

Just like in the case of metal tiles, tubular, lattice and lamellar snow retainers can be used for corrugated board. Most often, tubular snow retainers made of galvanized steel, painted to match the corrugated board, are used.

Installation of snow retainers on a corrugated roof practically no different from mounting on a metal tile:

• Fastening is made through the material.
• The crate needs to be reinforced.
• And the holes for the fasteners should be sealed with special gaskets made of weather-resistant rubber.
• The fastening should be located at the bottom of the corrugated board wave, which is adjacent to the crate, otherwise the sheet will bend and warp.

If you plan to install snow retainers on an already finished roof, you will have to disassemble part of it in order to strengthen the crate. Or you need to take care of strengthening the structure in advance.

To install corner or lamellar snow retainers, reinforcement of the crate is not required, since they are fixed directly into the sheet of corrugated board or metal tiles in the upper wave. The bolt must cut into the wood of the crate, otherwise the structure will turn out to be fragile. Corner snowplow mounts should be located through one wave.

Snow guards for seam roofs

On folded roofs, only tubular and lattice snow retainers are used. The main difference between the installation of tubular snow retainers on a seam roof is that the brackets have a peculiar shape and are attached directly to the seam. Thus, the tightness of the coating is not violated.

As seen in the photo, fastening to folds made with clamps:

• We dress the clip on the fold.
• We drill 2 - 3 holes.
• We insert bolts with nuts and tighten.
• The step between the supports depends on the slope of the roof. The most reliable option is fastening to each fold.

An indisputable advantage of fastening snow retainers to a seam roof is that there is no need to reinforce the crate. All work is carried out from above, on the finished roofing material. As a result, the design turns out to be quite reliable, since the main snow pressure is distributed along the rebate.

Please note that not all snow retainers for seam roofs are made of galvanized steel. There are copper models. They are not sold as a set, but individually: a pipe section, lower and upper brackets. Prices for copper snow retainers are higher than for ordinary ones, but even a copper seam roof is not a cheap pleasure.

Snow guards for soft roofs

Soft roofing has its own characteristics, which leave an imprint on the choice of the type of snow retainers and the nuances of installation:

• The angle of the roof slope with a soft roof should not exceed 15 °. With such a slope, an avalanche-like snowfall is unlikely. Therefore, powerful tubular snow retainers are practically not used.
• Sprinkling of stone chips on the surface of soft roofing materials traps snow and prevents it from sliding off.
• Due to the fact that a solid form of lathing in the form of sheets of moisture-resistant plywood is used for the installation of a soft roof, there is no need to reinforce the lathing.
• However, all work on the installation of snow retainers on a soft roof must be carried out at the stage of laying the roofing material.

For a soft roof, yokes are most often used, less often - tubular snow retainers.

Installation of tubular snow retainers on a soft roof is practically the same as installation on corrugated board or metal tiles. The disadvantage of fastening such a design is that the fasteners are on top, i.e. seal may be compromised.

Triangular yokes or stoppers are attached using this technology:

• It is necessary to arrange them in a checkerboard pattern in 2 - 3 rows with a step of 50 - 70 cm.
• The yoke is attached to the crate so that the next sheet of soft tiles hides the mounting plate, and the yoke triangle itself remains on top.
• Fastening is made on self-tapping screws.

If the roof has already been installed, the yokes can also be fixed from above, in which case weather-resistant rubber gaskets are used.

In conclusion, I would like to say that in the conditions of our snowy winters, the use of snow retainers on roofs is mandatory. However, it is still necessary to clean the roof once a week or two, depending on the amount of rainfall. You can get rid of the need to clean the roof and trap snow by installing a heating cable under the roof. Thus, the snow will immediately melt and flow down the drain. The formation of icicles and snow avalanches is excluded.

Snow retainers on the roof, types and features of installation, Construction portal

Construction of houses In regions with snowy winters, there is a common problem - an avalanche of snow from the roof of a house, which can not only cause material damage, but