UPVC roofing sheets its life span is over 3 times longer than zinc panels. Water proof: 100% water proof Impact capacity: Resist impact, tensile and hardly breakable. Weather resistant: The UV agent mixing in the corrugated sheet, which can truly resist the damage of ultraviolet ray. Litght weight: The weitht is light, it can save other roofing materals, then reduce the total cost. Beauty: It has rich and bright colors. Environent-friendly: Contains no asbestos and no carcinogen released