... strength,heat protection 2.Fireproof,waterproof,quakeproof. 3.Green Materials non asbestos fiber cement siding boardis mainly made from silicious material, calcium material and ... cyclically freezing and melting 25times,no damage stratification.2.Sizes:Fiber cement board :1220*2440*(5-30mm)ceiling board :595*595 ... are interested in our products,please let us know. non asbestos fiber cement siding board