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Roof fence: features, materials, installation

The ideal roof includes not only high -quality and expensive material for its coating, the complexity of configuration or a unique design, but also a safe fence. In European countries, the built building will not be commissioned if the fence system is not installed. It consists of a snowman, stairs, security hooks, transitional bridges and the structure of the fence itself.

Content:

  1. Roof fencing structural elements
  2. Roofing requirements
  3. What is a roof fence
  4. Types of materials and their characteristics
  5. The configuration of the protective structure
  6. Installation of a roof fence for hinged mounts
  7. Do -it -yourself roof structure
  8. Roof fence

 

The railing of the roofing with railing will prevent a person to fall during repair work on the roof, installations of the antenna, when cleaning ventilation or fireplaces, and in the winter-spring months will delay an avalanche-like gathering of snow or ice. In addition, people and property will protect people from random falls during roofing. The roof fence is steel lattices, which are also in the form of balusters or parapets that rise above the roof.

There is a huge selection of both materials and colors of fences suitable for any type of roofing material: from stainless and galvanized steel, aluminum and copper. Such a variety allows them to harmoniously fit into the general appearance of the structure.

 

Roof fencing structural elements

 

Snow holder, prevents the fall of snow layers. Its installation can be performed around the perimeter of the structure or fenced only part of the roof of the building, setting only in problem areas. It is produced both with a universal fastener for any type of coating, and with a mount designed specifically for the folding roof.

Transitional bridges they serve for safe movement on the roof. With the help of connecting elements, their length increases, while the fasteners do not interfere with free movement. If necessary, the angle of inclination is adjustable.

Wall stairs They provide a safe rise to the roof for various types of work, and can also serve in emergency situations, providing access to the structure.

 

Roofing requirements

 

The roofs are divided into the type of structures: flat and pitched, and operated and unexplosive for maintenance. Although the last type of roof does not provide for the presence of people on it, the equipment is still required to be a fence, the minimum height should be 600 mm, regardless of the height of the structure itself.

The attic roofs often have a rather steep angle of inclination, so the roof fencing device is quite difficult, and often it is not at all possible.

In accordance with construction standards, a building that has an angle of tilt of the roof to 12% inclusive and a height exceeding 10 m, as well as a structure with a height of more than 7 m with a roof slope, exceeding 12%, are subject to installation of the fence.

The distance from the edge of the cornice during installation should be 35 cm. The height of the roof fence depends on the height of the structure, if it is up to 30 m, then the structure should be 1100 mm, if more than 30 m, then 1200 mm. On the building, originally equipped with a parapet, the protective system is mounted in its height.

Between the risers, the distance should not exceed 1200 mm and, depending on the roofing material, can be adjusted.

Roofing fences should be safe and easy to install. The mounted system, as well as the elements of mounting on the pitched roof, are mandatory to test the strength to determine its reliability.

To do this, on points located no more than 10 m from each other, a horizontal load of 54 kgf is applied, after a couple of minutes it is removed. If there is no violation of the integrity of the structure and is absent, the residual deformation means the test was successful.

 

What is a roof fence

 

As a rule, this is a prefabricated design that allows you to install in a fairly short time. Its installation can be carried out on absolutely any type of roofing material and even a wavy surface. Below is a drawing of roofing.

5-kronstein adjusting;

6-kronstein universal;

9 -shurup with a hexagonal head 8x50 mm;

12-haikes;

13-shabes.

The rigidity is given to her by brackets and diagonal stops. Using a hinge fastening, the fence is mounted on the roof with almost any slope.

A profile for a metal fencing of a roof can be of different thicknesses and configurations. But in any case, the quality of the material for its manufacture and for all components plays an important role. Most often, galvanized and stainless steel, sorbitol, covered with a special powder composition or copper are used.

 

Types of materials and their characteristics

 

Cink Steel Thanks to rolling with increased accuracy, it is used for the manufacture of fasteners and any type of fence. High corrosion resistance is achieved by applying zinc coating. Products made of this metal rolling can be operated on average 50 years. In addition, galvanized steel is resistant to temperature differences, and is able to withstand from -80C to + 300C, while it has a low degree of thermal conductivity and significantly cheaper than other materials with similar properties.

Galvanized steel with special coating, the composition of which helps to increase the service life, and also with the help of it you can give the product a variety of color shades.

Stainless steel It includes a variety of alloying components, for example, chrome, titanium, nickel, molybdenum, etc. Where the main element of the alloy is chrome (up to 20%), the higher its content in steel, the higher the degree of resistance to corrosion. The resulting film protects steel from exposure to the surrounding atmosphere.

Copper This is the heat and electrical wire material, with excellent anti-corrosion characteristics, the temperature of its melting is 1083C. After about 10-15 years of operation, the products are covered with a dark green patina, which becomes an impenetrable barrier from the effects of atmospheric phenomena.

 

The configuration of the protective structure

 

The kit contains support racks with brackets for fastening and 3 m pipe of the fence. If the height of the racks is 600 mm, then two lines of pipes are needed, with a height of racks from 800 mm three lines or more. Depending on the design, the required number of screws and bolts is included in the package.

For high -quality and convenient installation, the kit includes all the necessary fasteners and other additional elements such as: plugs for racks that prevent premature development of corrosion on their internal, unpainted surface. As well as rubber gaskets that prevent moisture from entering the holes made during installation.

In some designs, the connection of the pipes is carried out by the transition type of mom-dad, which allows you to increase the length without the use of detachment and welded equipment.

The mounting node is an important place when installing the rack to the surface of the roof. Fixation to the folding roof occurs using a clamping adaptation of the clamp, this method allows not to violate the tightness and integrity of the folding picture.

On profiled and flat roofs, installation is carried out using fasteners that seal the puck. The screwed screw deforms the gasket washer, which fills the space around the mounting hole. To install a fence on the pitched roof, the angle of which is 15-45%, will help the hinge mount without the use of additional tools.

Such a fence system carries both a functional and a decorative component. If necessary, it can be additionally equipped with a snowman.

 

Installation of a roof fence for hinged mounts

For this type of fastening, a continuous crate is necessary, it is worth noting that installation can be performed both before laying the roofing and after.

The work begins with the determination of the place where the supports of the racks will be attached. The required distance from the edge of the cornice should be measured. Having installed the bracket on the desired point, putting the rubber gasket, using self -tapping screws, it is fixed into the crate through the coating material, the step between the supports should be 900 mm. If the surface of the roof is covered with wavy material, then the fasteners are carried out to the places of its deflection.

Then it is necessary to adjust the required angle of inclination of the support, and fix the hinge device at the right point with pucks-layers. Further, the pipe is passed through the finished holes and fixed with bolts, the same manipulations should be performed with the second and third crossbars (if any).

The final stage of the work includes the installation of plugs and the processing of a place of joints with a sealant.

The principle and course of the installation of a fence on a falsification coating is the same, only the mounting system differs. For this kind of roofs, a special device is used, which is a protracting bracket. It is mounted on the crest of a fold using a special clamp, which fully ensures the integrity of the roofing, thereby excluding leaks.

 

Do -it -yourself fencing design

For a pitched type roof, it is recommended to use enhanced factory fences. The design on the similarity of the railing, suitable for flat roofs, having an even horizontal surface, can be built with your own hands. The main thing is to remember that the safety of people depends on the combination of all components of the same components.

For a frame of one section of 600 mm high and a length of 2.5 m, you will need:

  • 6.5 m P-shaped metal profile 40x25 mm;
  • 4 m profile 25x25 mm or rods 16 mm;
  • screws (anchor bolts) for attaching the section to the roof.

 

Tools:

  • welding machine;
  • bulgarian;
  • drill with a drill for metal;
  • you may need a punch.

From the profile (40x25), using a grinder, the following parts must be prepared: 2 racks of 600 mm, 2 horizontal crossbars of 2.5 m; From the profile 25x25 mm or a metal rod with a cross section of 16 mm, 8 horizontal crossbars of 500 mm long and 2 retaining racks of 400 mm are cut off. There are also 4 metal plates with a thickness of 10 mm and a size of 7x10 cm.

 

Stages of work:

  • in all 4 plates, the mounting holes are pre -drilled for the subsequent attachment to the base of the roof, the diameter of the drill should be slightly larger than the diameter of the screw or anchor bolt;
  • the support racks are welded to the plate at an angle of 90;
  • then the retaining elements are welded to the metal plate at an angle equal to the 30;
  • further, the vertical upper crossbar is also welded to two straight stands;
  • 500 mm is measured from it and the second restrictive line is installed;
  • the remaining lumen in 100 mm will not allow dust, linger on the roof with leaves or snow;
  • between the crossbars, the installation of vertical lines from the profile or rod is performed, the step of which will be approximately 300 mm. You can attach them from both the inner and outside of the structure;
  • it remains to attach supports to the finished frame;
  • the design is mounted to the crate using screws. If the surface of the roof is made of concrete, then it is necessary to make holes with a perforator and use anchor bolts as fasteners, the length of which should be at least 160 mm.

It should be noted that the length of the structure can be increased almost to infinity using additional sections. However, each subsequent block is performed without the first support rack, in which case the horizontal crossbars are welded to the last rack of the previous frame.

 

Roof fence

 

A detailed list of all necessary materials was already presented above. The total cost is calculated individually for each roof, and depends on the large number of factors. But in order to navigate in its total cost, below is a list of prices for materials for fencing the roof.

It is important to observe all precautions when installing any type of roofing. Such a system is an obligatory element of any structure that ensures safety as people on the roof during repair work, as well as property located in the immediate vicinity of the building from the fall of various building objects.

 

 

 

 

 
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