... -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, 8.5mm, 9mm, 10mm, 12mm ... , 15mm, 15mm Standard: ISO6308-1980E <> standard, ASTM C1396 standard GB/T9775/1999 stanard Paper faced gypsum board ...