... (mm),1220*2440(mm) 2) thickness:5-22 mm 3)fire resistant ,nosie reduction Calcium silicate board Size 1220*2440mm,1220*2440mm ... .09%maxCharacter:1) Heat insulation, stability, damp-proof, sound insulation, fire resistant andlight weight2) The wall is solid and firm inside, and ... resistant to impact pressure3) Painting, tiling and nailing is possible in ...