... :1200mm, thickness:20-120mm; extruded polystyrene sheet Properties:Heat Insulation, Water-proof, Noise-elimination, Anti-corrosion, Anti-aging, ... Moisture permeability.Application:Perimeter Insulation, Inverted Roof, Thermal Bridge Insulation, Floor Insulation, Core Insulation,Steep Roof Insulation, Ceiling Insulation, Frost Protection for Road ... us for detailed information. XPS Rigid Insulation Board