
Dark Grey Fiber Cement Board for Interior Wall Exterior Wall 6mm 8mm 9mm 10mm. Asbestos Free Safety: 100% asbestos free composition ensuring safe indoor and outdoor application. Class A Fire Resistance: Incombustibility Class A certified with GB8624-a standard compliance. Customizable Thickness: Thickness can be customized from 6mm to 24mm to meet specific project needs. High Density Options: Available in density ranges of 1.2-1.4 or 1.4-1.6 g/cm3 for durability. CE and ISO Certified: Product holds CE, NOA, and ISO certifications for quality assurance. Large Production Capacity: Annual output capacity of 18 million square meters with 10000pcs/day production. Professional After-Sales: Provides onsite installation and online technical support with 5-year warranty.