
Water-Proof PU Sandwich Panels Metal Sandwich Panels. Customizable Dimensions: Lengths over 1.9m and thicknesses of 16/20mm with effective width of 38.3cm. Fire Retardant Material: Features fire rating 4 with rigid polyurethane foam core for safety. Waterproof & Moisture-proof: Designed with closed-cell structure for excellent water and moisture resistance. Thermal Insulation: Provides superior heat isolation and sound insulation properties. Easy Installation: Utilizes interlocking mother-child clip method for quick assembly. Versatile Applications: Suitable for villas, offices, exterior walls, and home renovation projects. OEM & ODM Services: Offers full customization, minor customization, and flexible design options. Certified Quality: Holds CCC, ROHS, and ISO9001 certifications for global compliance.