Water Resistance High Density Insulation PU Polyurethane Sandwich Panel Block 16mm or 20mm Or25mm Sandwich Panel

Water Resistance High Density Insulation PU Polyurethane Sandwich Panel Block 16mm or 20mm Or25mm Sandwich Panel. 10-Year Warranty: Comprehensive 10-year warranty coverage for peace of mind. Customizable Options: Flexible customization for color, surface, and certificate requirements. Long Durability: Outer metal layer resists rust for 45 years; paint color remains stable for 15 years. Excellent Waterproofing: Concave-convex plug-in design prevents water seepage and mold growth. Sound Insulation: High-density polyurethane foam core provides effective noise reduction. Free Samples: Free samples provided for inspection before order confirmation. Certified Quality: Certified by CCC, ROHS, and ISO9001 standards. Fireproof & Eco-Friendly: Fire rating 1, lightweight, and environmentally friendly material.