... 7.5,8.0,8.5,9.0,9.5.10,12,15Board KindRegular boardWater-resistant boardMoisture resistant boardFire-resistant boardRemarksA ... prolong the fireproof time.III, Water proof & moisture resistant gypsum board is mixed with fibers, proper quantity of additives and high ... efficiency organic hydrophobic agent of make board core. The surface paper is treated specially , the waterproof ...