Bitumen roofing sheet manafaturers in china

China Bitumen roofing sheet have modified asphalt by resin (Flexible powder), on both sides have isolate materials sand, mineral PE film,aluminum foil and with the base cloth PY (polyester mat), G (fiberglass mat), NK (compound base), PYG (Glass fiber reinforced polyester mat).
1. Introduction
It is  composed of base material (including synthetic rubber like SBS,  good road asphalt and viscosity increaser), the surface is covered by PET film, PE fil, aluminum foil film, EVA/HDPE  or silicon depositing release film, the silicon depositing release film is covered on the lower surface as anti-sticking layer.
2. Features
* Cold-applied construction with no open flame and self-adhesion without bonding agent make it safe,
   low- carbon, environmental, and economical.
* Excellent adhesive performance guarantees the integrity of waterproof layer.
* Good rubber elasticity, elongation and shear stress
* Good low-temperature property


our company as a light commercial flooring china  supplier ,if you need that pls contact us.