
50mm/75mm/100mm Gapless/Seamed Rock Wool Sandwich Panel for Roof with PU/PIR/Polyurethane Edge Sealing. 40-Year Warranty Coverage: Comprehensive warranty protection for 40 years on all mechanical and structural components. Customized Panel Length: Lengths up to 11.9 meters or fully customized to meet specific project requirements. A-Class Fireproof Rating: Superior fire resistance with an A-grade fireproof rating for maximum safety compliance. Multi-Color Customization: Color options available as per customer choice to match any architectural design. Global Installation Support: Free detailed drawings and videos; engineers and teams available for overseas site guidance. ISO and FM Certified Quality: Certified by ISO 9001, ISO 14001, FM Approvals, and CE Marking for top-tier safety standards. Diverse Material Options: Available with PPGL, PPGI, stainless steel, or aluminum coil skins with various coatings. 24-Hour Online Support: Dedicated customer service team available around the clock for immediate assistance.