fireproof building materials asa coated pvc roofing sheet plastic roofing sheet

4 Layer ASA/PVC composite roof sheet is manufactured by one off processing through 3 or 4 layer co-extrusion technique which provide long lasting color stability and strong anti-UV performance to ensure long lifespan. • Corrosion resistance • Sound absorption and heat insulation • Environment friendly and energy saving • Color lasting • Load bearing • Good water resistance • Light weight building materials • Fire proof grade ≥ B2 • Easy to install