Multilayer uPVC Roofing Sheets
1. Surface Layer - The material is ultra-weather resign, to block the solar ultra violet and reduce the coefficient of heat conductivity, ensure product durability and resistance to chemical corrosion.
2. Surface Intermediate Layer - containts Multi foam giving to the material light weight and improved sound and thermal insulating properties.
2. Underlying Layer - for just a good material toughness special to ensure the strength at the same time, increase the rigidity and light illumination.