How to install the windboard on the roof + photo
Mounting the windboard on the roof is extremely important, and this is evidenced by the fact that without it, the roofing can last a maximum of 2 months, and the season of autumn rains with wind is even less. The simplest device has been used on all types of roofs since ancient times, and occasionally it is called end, but this name is more generalized.
Wind bar on the roof - what is it? According to the classification of the devices used for arranging the roof covering, a wind patch or rail, in common parlance, a strip or board, can be classified as additional roofing elements.
The roof structure can be retrofitted with auxiliary devices that make the roof more secure and reliable. Wind strips for roofs are used to solve small, but very important problems:
- Protect the end edge from moisture, most of the moisture will get under the roof covering precisely through the edge of the end, and therefore a visor is placed on the roof of the house simultaneously with the roof covering, without delaying the installation of the protective mechanism for more than 2-3 days.
- Fix the outer part of the first roofing sheets, this makes it possible to avoid heat loss and mechanical damage to the vapor insulation film.
- Give the roof covering and the whole structure an additional type of decoration. With proper installation of the wind board for the roof, it turns out to close the overlaps, joints, insulation and waterproofing, which are perfectly distinguishable from the roof end.
Please note that Roof Windshield Kits are offered by the leading manufacturer as standard roof coverings. This will simplify the choice of protection while still getting the perfect board quality from all the different options.
After installing the wind strips, the roof slopes look like a homogeneous monolithic type of coating, without corners and curved edges. The overlay can increase the rigidity of the roofing sheet and at the same time protect the roofing edge from annoying birds. It is known that crows, jays and jackdaws love to hide various bookmarks and supplies, pieces of branches, chips, moss under the edge of the roof covering, creating small problems for owners, including the spread of bark beetles and ticks.
The wind protection lining device differs from 9 other types of end elements of the additional type. The main difference is that each of the structures used to protect the roof covering is profiled in a special way so as to protect their places on the roof as best as possible.
The eaves plank, together with the drippers, should be installed on the pitched edge, the ridge corner - on the roof top. Installation of the visor on the house roof is carried out on the end roof extension above the pediment.In order to effectively close the joints, and at the same time ensure the normal release of water vapor without the appearance of condensation, the board needs to be specially bent and profiled.
For each roofing type, they produce their own options for wind-type strips:
The thermal and mechanical stress on the protective cover is usually greater than on conventional roofing sheets, and therefore the part is either made of thin galvanized steel with a polymer coating, or polyvinyl chloride resistant to UV and temperature extremes.
On sale you can find a fairly large number of wind bars of various designs, made of polyurethane or impact-resistant polycarbonate. They are not cheap, and the suitability as a protective board is questionable, and the suitability as a protective board is a huge question, because both types of plastic have a high coefficient of expansion of the thermal type, much higher than that of slate or galvanized metal.
Please note that the windshield plastic board for the roof must be resistant and plastic to the influence of solar ultraviolet radiation.
Both polycarbonate and polyurethane-type plastic quickly deteriorate under the rays of the sun, and therefore only polyvinyl chloride is suitable for the roof, ideally to match the main roofing shade.
The wind board for the roof is very important. For bituminous tiles, roofing felt or other types of soft coatings, a couple of types of profiles are used. In cross-section, the wind-type bar will resemble an L-profile with a small V-shaped spring-type shelf. In addition to the standard profile bar, for a protective function, visors with an edge bent outward at the bottom are used, which act as a drip. The spring in the upper area of the lining will firmly press the horizontal shelves to the surface, and thus they will provide a secure fit of the protection even if the roof has subsided or started to "play" due to wind gusts.
The dimensions of the horizontal shelf of the wind pad should preferably be at least 8 cm, but you can find models with dimensions in the standard 6.5 cm and double width 11.3 cm. Narrower models are used for the flattest and flattest roof coatings, and in other cases, the installation and selection of a wind board on the roof must be performed according to the recommendations of the roof manufacturer. Wide enough slats are inconvenient in the installation process, and they also have mediocre flexibility and will not fit flat on the surface of a flexible roof every time.
The vertical shelf part of the wind bar is usually no more than 10 cm, and the height of the spring side is 2-3 cm. For the most problematic bituminous tiles, it is recommended to use a wind shield with a size of 7.8 * 10 cm, with a spring height of 2 cm and a drop-side with a width of 1 cm.
It is interesting that all models of wind-type slats must have a special PVC coating, which will provide reliable protection against ingress moisture to the attachment points.
The design of the lining for wind protection of roofing (trapezoidal or wavy), and they differ in the arrangement of the strips used for bituminous coatings type.
Most often, wind-type strips have an L-shaped profile with a small, L-shaped board bent at an angle. There are no springs along the junction lines of the vertical and horizontal shelves in the wind slate boards and metal tiles. Dimensions of the end plate for wind protection of slate sheets:
The thickness of the metal is 0.02-0. 03 cm, and therefore the wind bar can be easily deformed, folded and cut with simple scissors. The usual profile length is 2 meters, and this is easy to install, because the length of the profile needs to be adjusted at the installation site of the wind board, taking into account the overlap on the length and joints of the roof.
The methods of fastening wind protection boards for profiled and soft roofs are very similar, although they have some differences. In any case, the installation of the wind bar is started after the control lathing has been assembled and mounted, the holders for the gutters are mounted, and the drip bars are nailed to the cornice. In the roofing structure, only the valley gutters and the ridge-type cover are absent, it is mounted together with the wind bar.
How to install a wind board on the roof? By itself, the protective cover made of plastic is very fragile and flexible, and can be easily damaged during installation. For this reason, even if the control lathing rail is peeking out from under the metal tile along the edge, the wind bar cannot be attached to it.
Even if you try and nail the wind bar onto the rail under the roofing, this can lead to roof deformation of the metal shingles. Most likely, it will be cut off by a wind gust from the phonon edge of the roof. For this reason, to fix the wind bar, it is necessary to pre-fill a lining board with a width of 8 cm and a thickness of 1.5-2 cm.
Good advice! The lining needs to be chosen from durable wood, and it is best to choose elm or oak, while the board itself is nailed with oblique nails.
Anchorage, hammered at an angle to the plank surface, withstands the strongest wind gusts.
This part of the work is most conveniently done at the stage of stuffing the control battens on the basis of the future roof. After the sheet of metal shingles are laid on the roof surface. the edge is fixed with a pine lath 2 * 2 cm, and so the edge of the cover will be rigidly fixed, it will not squeeze out the wind pad with a large accumulation of snow on the roof. The installation of the windbreak begins with the eaves, and the shelf in the first section should go over the drip bar.
For each new section of the wind bar, they are mounted with an overlap of 4-5 cm with the previous sheet. In the upper part, the shelf needs to be brought under the ridge pad.
The method of attaching wind-type slats to a roof of profiled decking is no different from installing a profile on a roofing edge made of metal tiles. As with the previous method, the fastening of the protective element will be performed on a support board of wood sewn along the roof end, with a width of 7-8 cm.It is she who will perceive most of the loads associated with wind gusts and roof deformation.
Another difference will be the location of the edge of the roof covering at the edge of the base.
Please note that the sheet of metal profile is laid so that the peak of a trapezoidal or even rectangular profile is located on the seam line between the control batten and the wind board.
All that remains is to apply the sealant to the wave top, lay the wind bar on the edge and attach it with self-tapping screws with sealing washers.
The sequence of the assembly process of wind protection for bituminous types of coatings is slightly different from the case of metal tiles and profiled sheets. The main feature will be that the strip will be glued under the roof.
First of all, a control lathing is required on the base of the roof. For soft coatings, processed plywood or OSB boards are usually used. The new stage will be the laying of the end gable board. Due to the fact that the flexible roofing material does not have a profiled surface, it is not necessary to press the wave onto the roofing base. For this reason, it is not necessary to raise the wind bar above the base of the pad.
It is enough only to tightly cover the glued edge of the shingle or canvas. To hold the protective metal strip on the edge of the roof, it is enough to nail bars with a cross section of 4 * 4 cm. This must be done at the stage of installing the roof lathing.
After the lining under the first layer of glass roofing material or shingles has been glued to the roof slope, it is necessary to nail the wind bar. An adhesive layer must be applied under the horizontal shelf and fastened with ties.
Already at the stage of laying, the roofing is glued to the wind protection along the spring levels.In the places where the canvas meets the eaves cover, the profile of the metal of the wind bar is laid over the eaves; in the upper part, the bar must be run under the ridge triangle.
The wind board for the roof is no less important than all other additional components. Installation of wind protection does not require any special skills of the roofer, but the work, and even more so when laying bituminous material, must be done according to the advice of the manufacturers of the roofing material. Usually, artisanal methods for installing wind bars are less effective.
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