... ,yellow 3.Thickness:20-100mm 4.Max width600mm Properties:Heat Insulation, Water-proof, Noise-elimination, Anti-corrosion, Anti-aging, Light-weight, ... Rail Construction. Packing information: XPS (Rigid Extruded Polystyrene Foam Board)Transparent Plastic Bag for Packing40'HQ40'GP20'GP 50mm-600mm-1200mm ... special dimension,please contact us for detailed information. XPS extruded heat proof foam board