High Durability 16mm PU Sandwich Panel for Wall Siding House Exterior

High Durability 16mm PU Sandwich Panel for Wall Siding House Exterior. Customizable Dimensions: Length fully customizable from 2m to 6m; thickness available in 16mm or 20mm. Seamless Installation: Concealed-fix joint system hides all screws and washers for a clean facade. Superior Thermal Insulation: High-density PU core with R-Value 0.55m2*k/w and heat conductivity 0.024 w/m*k. Lightweight & Durable: Weighs only 3.7kg/m2, resistant to UV, acid rain, and corrosion for over 10 years. Fireproof & Safe: Fire rating 1 with high-density rigid polyurethane core for fire retardancy. Aesthetic Variety: Available in solid color, brick grain, stone grain, and wood grain textures. Fast Installation: Dry, interlocking design significantly cuts construction time and labor costs. Comprehensive Warranty: 3-year warranty coverage with 24-hour online after-sales service support.