The main distinguishing feature of this type of overlap proceeds in the fact that it does not require professional skills. Sheets from the profile are divided into three types – trapezoidal, box and wavy.
The folding roof of steel also looks quite harmonious with the architecture of modern cottages, while steel roofing material will provide better characteristics than various types of tiles. High -quality folding roof production of which meets all the modern requirements of the technological process, has not a high price. The production of folding roof in St. Petersburg allows you to get reliable roofing material with a long service life.
To extend the period of use of this type of ceiling, it is necessary to correctly lay it down. Profile sheets are laid with overlap: if it is left at the side edges, it is approximately 50 -120 mm, if it is laid along, it turns out about 120-200 mm.
Profiled metal can be laid both on wooden and metal rafters. When installing on wooden rafters, they are attached with screw nails with plastic lids and rubber washers for compaction. In the second version, such sheets are screwed with bolts with a hook -shaped head. After thinking in advance about the use of this type of roofing material, the crate is made, taking into account the size of the sheets along with the release. Sheets are laid in whole parts, adjusting all actions the size. Nails and bolts are clogged or twisted not in the sheet, but in pre -prepared holes using the electric drill. In order to cut the sheet, you can use scissors for metal, but an angular grinding machine is best suited if just a grinder.
Sheets begin to lay downward. Having reached the skate, it is covered with a cap of profiled steel, which is fixed with special bolts or screws. When installing such hardware, it is provided for a small space for special occasions if the metal begins to play from the exposure of the temperature.