High quality calcium silicate board Sizes: 595 x 595, 595 x 1,195, 600 ... x 603, 603 x 1212 , Others size High quality calcium silicate board Calcium Silicate Board has characteristics of waterproof, moisture-proof, heat-preventing and ... ceiling decoration. 5) Easy installation, attractive design. Low costSpecifications:1). Material: Mainly from Gypsum(plaster) 2). Sizes: 595 x 595, 595 ...