Fastwarm XPS Insulation Boards are specifically designed for use with Fastwarm electric underfloor heating systems, creating an effective insulation layer over concrete and screeded floors. Built to withstand compression strengths of up to 30 tonnes per m², these high-quality boards offer exceptional durability while remaining lightweight, highly efficient, and cost-effective. Their excellent thermal properties help to minimise heat loss, enhancing the overall performance of underfloor heating systems. Easy to cut, handle, and install, Fastwarm XPS Insulation Boards provide a reliable and long-lasting solution for maximising heating efficiency. XP insulation boards are waterproof Approved by Ultra Tile adhesive manufacturers Super high Insulation Values per mm7 Excellent sound insulation Thermal conductivity value of 0.034 W/mK, Manufacturer: Fastwarm