Builders aptly call the roof “non -valuable” or “fifth” facade of the building. She forms a large extent the idea of the exterior of the building, especially when looking at it from afar. But the main function of any roof is the protection of the building.
Roof, like the entire roof structure, is subject to the impacts of many negative factors.
The roof is opposed to meltwater, precipitation, wind, pair and condensed moisture, sunlight, ultraviolet and overheating. All these factors destructively affect it.
The roofs are characterized by the following criteria:
– strength. The roof design should withstand the loads of both constant and temporary – water, snow, wind loads, movements between the building and the roof.
– Thermal insulation of the roof. Ensures the safety of the building, comfort and comfort in it.
– soundproofing. The noise has become our constant companion, destroying both human health and buildings design.
– moisture resistance. This, along with steam resistance, is the main parameter of the roof.
– Environmental friendliness
– safety. The ability of the roof to withstand the accumulation of ice and snow, wind loads.
The choice of roof design and the type of roofing material is also greatly influenced by the traditions that have developed in this area.