Fire Resistant Apartment Exterior Walls Roofs Prefab Houses Wholesale EPS Sandwich Panels

Fire Resistant Apartment Exterior Walls Roofs Prefab Houses Wholesale EPS Sandwich Panels. Fire Rating 4 Hours: Panels meet Grade A national standard with 4-hour fire endurance. 70+ Years Lifespan: Durable composite polymer construction ensures 60-70 years of service. Superior Sound Insulation: Achieves 35-45dB sound reduction capacity according to national standards. Lightweight & Strong: High strength-to-weight ratio with 100kg hanging capacity per spot. Waterproof & Rot Resistant: No water beads on surface in wet climates; resistant to rot and pets. Eco-Friendly Materials: 100% free of harmful substances; complies with GB6566-2001 standards. Rapid Dry Installation: One worker can install 20 sqm daily with minimal construction waste. Seismic Resistant Design: Suitable for seismic and cyclone prone zones; improves building safety.