... after the film. Main performance 1.Environmentally friendly products, non-toxic, non-polluting, safe to use2.Products can be in a ... board, foam board, asphalt, rubber, SBS membrane, such as polyurethane based on construction, industrial and civil architectural ( example: room floor, ... two, additional layer using 45-60grams / square meters of non-woven fabrics, each square was 3kg, thickness of 1.5mm ...