Our board is a new meterial with fireproof ,waterproof and so on. in pallet in bulk VOGUE Detailed product description: 1) Fireproof:Resistant to combustion at 800 degree and remains flameless at 1200 degree 2) Waterproof:Resistance to deformation in wet environments 3) Weight:Light weight, (volume weight:0.9~1.1g/cm3) 4) Strength:Bendable and impact resistant 5) Sound insulation:Sound loss ...