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 ... partition wall system of business building, entertainment facility, supermarket, hotel, restaurant, hospital, theater,warehouse, apartment building and so on. 1220*2440mm Calcium silicate board