Talk about roof construction thick pvc waterproofing membrane The roof is the top cover of the housing cover and bearing structure, one of its main function is "shelter". Roofs depending on the drainage slope can be divided into flat roof and slope roof.composite panels for balcony railings

Generally flat roof slope of 10%, the most commonly used slope of 2 to 3%, slope slope of the slope is more than 10%. China's traditional architectural use of slope roof, double-sided slope, four slope and so on. This roof slope is large, stretching freely, drainage quickly, waterproof effect is also better.waterproof polymer outdoor decking canada

Since the sixties, in order to reduce the roof weight, reduce the project cost, improve the degree of roof prefabricated assembly, generally changed to reinforced concrete flat roof, the use of prefabricated round hole roof panels and cast-in-place reinforced concrete roof panels.composite wood garden bench for sale

Flat roof cost is low, easy construction, construction rain rainbow waterproofing made simple, simple appearance, suitable for a variety of shapes and sizes of the building plane, the current application of the most extensive roof. Flat roof mainly in the following structural forms: multi-storey residential buildings: generally 5 to 7 layers of brick and concrete structure, prefabricated orifice or cast-in-place flat roof, low cost, large amount of wide. High-rise buildings: mostly frame, frame-shear wall, cylinder and other structural forms, cast-in-place roof, roof area is relatively small but large deformation, mainly for residential, office or commercial tourism facilities. black composite fence price in Spain