Roof from metal: self-assembly technology

The roofing made of metal, the installation technique of which will be described in the article, is an excellent solution if you want to create both a cold and a warm roof system.

Features of the arrangement of the roof

If there is a need to mount a warm system using tiles, then it is necessary to insulate the skates. This will allow you to get a mansard room, suitable for living. Be sure to provide protection from condensation, which can occur on the internal surface of the system. In order to prevent such phenomena, it is necessary to apply a waterproofing, which is often used as a membrane, which benefits from films in the struggle for quality, because the membrane is permeable to steam, which prevents the accumulation of water. If you use such superdiffusion materials, you will have the opportunity to save considerable space, as the installation of the webs should be done without providing a gap.

Additional materials

Roofing of metal, the installation technique described below, requires the initial insulation of the valley. You have to start from the top. Conjugation on the adjacencies and valley must be eliminated with construction tape. In the case of rafters, the insulation must be laid from the eaves to the ridge, while the panels should be rolled from left to right. Joints of adjacent rolls must be laid on rafters, making a lap width of 15 cm. Be sure to remove the sagging of the canvas.

Once you are finished with the waterproofing, you can proceed to laying the thermal insulation layer. As a rule, basalt cotton wool is used for this, however you can choose the material yourself. Mats insulation are mounted between the roof rafters. If there is a need to lay several layers, then it is necessary to make the stitching by the method of dressing the seams. This means that the seams of the first layer must necessarily overlap with the plates of the second layer. Otherwise, you will get bridges of cold, through which cool air will flow.

The next layer will be a vapor barrier. Its purpose is to ensure that evaporation from the interior of the premises does not stay in the insulation and do not become a pair of water.

Installation of a cold roof using tiles

Roofing of metal, the technology of laying which must necessarily be studied before starting work, can be cold. In this case, the rays are not subjected to thermal insulation. The insulation is only laid on the lower area of the attic. This ensures that the house will retain heat, while the under-roof space will be well ventilated.

In addition to the membranes, a cold roof made of shingles can be mounted using a water resistant film. It is laid with some sagging: between the rafters there should be approximately 20 mm of sag, this will contribute to the drain of accumulated condensate. Waterproofing in this case, too, is laid horizontally, it is necessary to move from the eaves to the ridge, while ensuring an overlap of 15 cm.

Creation of the system of the roofing

Roofing of metal, the technology of laying which should be known to the master, assumes the presence of a crate. For its installation it is recommended to use blocks 50x50 mm, as well as edging board 32x100 and 50x100 mm. In the lower part of the ramp - along the eaves - should be strengthened two boards with a section of 50x100 mm. After the insulation is laid over the grating, where you need to use bars 50x50 mm. They need to be fixed along the rafters, starting from the ridge and gradually moving to the bottom.

Next, you can proceed to the device of the crate, which is fixed over the counterweight. Fastening of system elements must be done horizontally. The distance between the boards depends on the profile of the roofing material.

The upper region needs to be made somewhat more solid. This requires roofing of metal. Technology, with their own hands, involves fixing two boards on each side of the ridge strap. In the field of valley valleys, the lathing must be mounted in such a way that it is continuous.

Laying of metal tile

If such a roofing device is assumed that the metal tile will cover the ramp completely, then the fastening must begin from the ridge. The first sheet should protrude about the cornice about 5 cm. After that, you can begin fixing the canvas of the roofing material. Thus it is necessary to provide an overlap. After you can put three sheets in their place, you should check the correctness of their position in relation to the cornice. Such an analysis should be carried out at the same frequency until the completion of the work. The technology of roofing from metal tiles provides for the use of self-tapping screws as fastening hardware, which are screwed into the base of the profile wave.

Features of mounting end plates

From the end of the roof, end elements should be mounted. Their fastening should be made by self-tapping, observing a step of 60 cm. In addition, it is necessary to make a lap width of 50 mm. As ridge bars you can choose flat or rounded elements. The first assume the need for an additional fixation of the plug to its own end. It can be ordinary or conical, and fixation should be made with rivets, there is also an alternative solution - self-tapping screws. Before proceeding with the installation of the laths, it is recommended that a seal is placed under the hinge, which can be either figured or universal.

Additional Items

The technology of roofing from metal roofing provides for the installation of vent vents in the spans between the rafters. If the house has a ventilation system, then its output should initially be combined with the riser. For this, a corrugated pipe is used. On the roof for installing the passage element, you must cut out and remove the roofing element. After laying the insulation, sealant, as well as the sealant, the ventilation system outlet must be inserted into the formed hole and fixed to the tile with self-tapping screws.

The device of the chimney

If you have decided that there will be a roof of metal roofing on your house, the technology, the chimney and all other elements on which will be arranged, should be carefully studied. So, in order to aesthetically bypass the chimney pipe, the latter can be plastered and qualitatively combined with waterproofing. Shingles, which are located on each side of the outlet, should be marked and carefully trimmed along the stamping line, it is necessary at the same time to observe the step from the material to the pipe of 15 cm. Now you can make the installation of aprons. Initially, it is recommended to complete the work with the side elements and only then proceed to the rest. When fixing the aprons located on the side, it is necessary to ensure the overlap of at least one crest of the sheet wave. This indicates that the side that is in contact with the roof must be 20 cm or more in width.

Installation of a steel frame before installation of a metal tile

Your roof of metal roofing can be arranged on metal profiles . For this, I-beams, channel bars and corners should be used, based on a profiled metal. According to the form, these elements can be triangular, rectangular and trapezoidal. Before acquiring the components of such a frame, it is necessary to take into account all its positive and negative sides. Among the first, longevity can be singled out, while among the latter, the complexity of transportation and the more imposing labor costs associated with installation, which is associated with considerable weight.

Using steel trusses, you will be able to cover spans of 50 m. Typically, the installation of these components of the system is carried out on top of farms that are located under the slings and have a rectangular shape.

The formation of a steel frame must be carried out after installation of a support from reinforced concrete columns, steel or concrete pads reinforced with reinforcement and fixed on a brick wall. Roofing of metal, the laying instructions of which should be known to you before starting work, is fixed in the area of steel rafters with metal kerchiefs, welded or tightened with bolts. All these recommendations are justified for a private developer, while professional companies use hot-rolled pipes, the profile of which can be completely different. Such pipes have very little weight, which is explained by the use in their production of material, the thickness of which does not exceed 5 mm. This is much less than the metal used in the manufacture of other profile products.

Special features of mounting the dormer window

If you decide that there will be a roof of metal roofing on your house, the technology, the dormer window assembly on which will be designed, should be well studied by you. At the same time, it is necessary to take into account that the frame for this element of the roof is also needed, and it is necessary to sheathe it using the same technique as described above. It is necessary to make the system of the lathing for the window in parallel with the installation of the main frame. The dormer window must have the same rafters, crate and ridge. In the process of installing rafters at those points where it is supposed to locate the dormer windows, it is necessary to provide openings enclosed by rafter legs. This will strengthen the system. After the rafters need to mount the crossbeams. On the beam, which is located from the bottom, it is recommended to fix the vertical posts, connected with the transverse bar. The frame must be connected to the upper beam. This will get the frame of the window.

Insulation of the ventilation duct

So, in your plans - the roof of metal. The technology, the duct outlet duct through which it will be installed, must be strictly observed. This will make the work qualitatively. Thus, the venting device, or rather its box, must be accompanied by waterproofing works. To do this, you can use liquid sealants for external work. This will prevent moisture from entering the space under the roof. As an alternative solution for insulation of the ventilation box, it is possible to consider such materials and elements as silicone, membranes, and also clamping bars. Otherwise, it will not be possible to avoid leaks, which will inevitably entail a violation of the structure of the roofing cake and the infiltration of water into the internal space of the premises of the house.

If you are not able to perform the installation work independently, the roof from the metal turnkey can be equipped by professionals. This ensures an excellent result, and hence, a long life of the system.