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China Board Manufacturers Insulating Sheathing Rigid Thermal Insulation Foam (XPS). Customizable Dimensions: Length 1200-9000mm, Width 600-1200mm, Thickness 20-100mm available. High Compressive Strength: Range from 150kpa to 1200kpa for durable structural support. Fire Retardant B1/B2: Available in B1, B2, or B3 flame retardant ratings for safety. Versatile Application: Suitable for external walls, roofs, balconies, and underfloor heating. OEM/ODM Service: Full customization from samples or designs accepted. ISO9001 Certified Quality: Strict quality control from raw materials to finished products.