... -preventing. 2.Firerproof,waterproof. 3.GreenProduct, Waterproof Calcium Silicate Ceilings is mainly made from silicious material, lime fractory ... in the new system.Sizes:Calcium silicate board :1220*2440*(4-30mm)Calcium silicate ceiling board :595*595*(4-6mm ... bevelled6) Packing: in cartons or in bulkProduct data:Materials: silicate, quartz sand, plant fiber, etc.Fireproofing features: Incombustible A ...