9.5mm Paper Lined Reinforced Fire Core Water and Fire Resistant Gypsum Board for High Rise Corridor Wall Renovation Work

9.5mm Paper Lined Reinforced Fire Core Water and Fire Resistant Gypsum Board for High Rise Corridor Wall Renovation Work. Dual functional paper-faced structure: Silicone-treated water-repellent paper + glass fiber & vermiculite reinforced gypsum core. Certified A2 fire rating, matching standard keel systems to achieve 2-hour fire endurance for building safety. Strict water absorption index: Core absorption below 5%, surface absorption less than 160g/m2, anti-mold & anti-deformation in damp areas. All-in-one solution for humid fire-risk zones: Kitchens, bathrooms, hotel corridors, hospital public areas. Complies with ASTM, GB, CE and Australian building standards, supports standard cutting, screwing & installation.