... Thermal Resistance Dimensionally StableEasy InstallationImpact Resistance 100% Asbestos FreeCost Effective Molds and mildew free No sweatingProduct ... 1. Natural, environmental-protection orientated, no poison, radioactivity, asbestos, formaldehyde, benzene, etc. which is harmful,2. Fireproof ... you need more technical indexFiber reinforced calcium silicate board Fiber reinforced calcium silicate board