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Roofing is an indispensable and important part of building construction. Generally, it is composed of load-bearing structure, thermal insulation and waterproof facilities, which ha

1. Light weight, aluminum density is 2.73g/cm ³, only 1/3 of steel. 2. High strength, which can be achieved through composition configuration, processing and heat treatment. 3. It

Roof slab is a slab that can directly bear roof load. The roof panel is located on the roof of the house and is generally made of aluminum, magnesium, manganese or alloy. After the