No structure can do without a roof. She protects the house from various weather conditions. Any roof consists of the supporting part, which transfers the load to the supports of the building itself, and the outer shell that protects from the wind and moisture. Roof structures are attic and non -shaped, flat and pitched.
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The last roofs include: single -sloping and gable, even -haired tent, attic, holm, multi -protruds, as well as conical and domed. In any case, the base of the rafter system is a triangle (very economical and hard design).
“Roof pie”. These are several layers of the roof, they all fulfill their important function. The first, upper layer is the roofing material itself, the second layer is waterproofing, the third layer is the insulation, the fourth layer is vapor barrier.
The choice of material. The choice of covering material depends on the architecture of the building and the load collecting. It is necessary to take into account the shape of the roof, its design, the appearance of the structure and the load of the roof itself, as well as snow and wind, depending on the region.
For flat roofs, roller, mastic or membrane materials are most often used. And for the pitched, leaf and piece. Occasionally, natural reeds or slate are still used for the roof.