... , Water-Proof, Fire-Proof Wallboard, Ceiling Board Product Description1. Gypsum board, fire-proof gypsum board, moisture-proof gypsum board Size: 1220X1830, 1200X2400, 1220X2440, 1200X3000 ... , 1220X3050, 1220X3660 etc Thickness: 6.4mm, 7.5mm, 8mm ...