PU foam board is the most up-to-date international roofing board. It not only looks beautiful, light in material, and easy to install, but also has high heat insulation, sound insulation, fire resistance and long service life compared with sandwich panels of similar products. advantage. The installation adopts direct lap joint, convenient construction, relatively low construction cost, and can better prevent the phenomena of degumming and leakage of the roof. It is the most ideal roofing material for steel plant buildings, industrial and mining buildings, and civil buildings. Mainly include: Polyurethane PU foam board, aluminum magnesium manganese Pu foam board, PU foam board EPS sandwich board, low density PU foam board and so on. PU is an abbreviation of Polyurethane. The Chinese name is polyurethane. Polyurethane is a kind of chemical substance. Its characteristic is that it requires only simple modification of the formula to obtain different physical properties such as density, elasticity and rigidity. It has replaced glass fiber in a large amount. Insulation materials, wood, traditional rubber products, etc.