Roof waterproofing knowledge

First, roofing works is a divisional project of construction engineering. It refers to the construction content of the roof covering. It includes the waterproofing works of the roofing and the thermal insulation engineering of the roof. It consists of a structural level such as a roof screed, a gas barrier, a thermal insulation layer, a waterproof layer, a protective layer or a surface layer. The quality of its construction will directly affect the service life of the building.

Second, the roof can be divided into flat roof, slope roof and special-shaped roof according to its form; according to its function, it can be divided into non-superior roof and upper roof; according to its thermal insulation function, it can be divided into thermal insulation roof and non- Insulated roofing.

Third, the roof waterproofing project can be divided into rigid waterproof roofing and flexible waterproof roofing according to the different materials of waterproof materials used. Rigid waterproof roof refers to the roof that is waterproofed by pouring waterproof concrete, applying waterproof mortar or laying flat flat tile and cement flat tile; flexible waterproof roof refers to roofing made of waterproofing membrane, shingle tile, waterproof coating and so on. . According to the waterproof material used in the waterproof layer, the roof can be divided into rigid concrete waterproof roof, flat tile roof, coil waterproof roof, coated waterproof roof, shingle waterproof roof, metal sheet waterproof roof and so on.