Calcium silicate board 1220*2440mm Size:1220*2440*4.5-18mm Feature:fireproof,waterproof,soundproof,high strength,durability PartitionWall Panel. Description: Calcium silicate wall panel is a new type of building decoration material, which is mainly made from high-grade siliceous materials and lime refractory with the mixture of natural fiber as reinforcing material.Features: waterproof, fireproof ...