non asbestos fiber cement siding board 1.High strength,heat protection 2.Fireproof,waterproof,quakeproof. 3.Green Materials non asbestos fiber cement siding ... freezing and melting 25times,no damage stratification.2.Sizes:Fiber cement board :1220*2440*(5-30mm)ceiling board :595*595*(5 ... In line with the standard, A-class product, no pollution in production, marketing and application (GB6566-2000) ...