Fastwarm XP Insulation Boards are specifically crafted for compatibility with Fastwarm underfloor heating systems on substrates such as concrete or screeded floors. These insulation boards are engineered to endure compression strength values of up to 30 tonnes per m2, combining exceptional lightweight qualities with high efficiency and cost-effectiveness. This makes the thermal insulation board an ideal selection for installing electric underfloor heating on concrete or screeded floors.Fastwarm XPS insulation boards are provided in 6mm, 10mm, 20mm, 30mm andamp; 50mm depths and each individual board covers 0.72m2 (all depths of boards have a generic dimension size of 1200mm x 600mm).The Fastwarm XP insulation boards are versatile and can be utilised for both under-tile and floating floor installations, such as laminate or engineered wood flooring. However, the application is contingent upon specific installation methods.Please note: the boards are supplied in black, the blue colour show