The metal roof panels can be specially processed in three-dimensional arcs and can be installed in domes with different arc sizes.
It has a high ribbed rib to improve the waterproof performance while making the roof line more visible. Moreover, in addition to steel, there are also aluminum-magnesium alloy plates, color steel plates, aluminum-plastic plates, sandwich panels, etc., making the metal roof more colorful.
The thickness of the metal roof is generally 0.4 to 1.5 mm, and the surface of the panel is generally coated. Due to the difference in material and coating quality, some panels can last for more than 50 years. The shape of the board is various, some are composite panels, that is, the insulation layer is composited between two metal sheets, and some are single panels; during construction, some panels are assembled on site after being processed in the factory, and some are based on The need for roofing works is on site. Some of the insulation layers are compounded at the factory and can also be produced on site. Therefore, sheet metal roofing is available in a variety of forms, from large public buildings to factory buildings, warehouses, and residential buildings.