This foam underlay is specially designed for under floor heating with holes to conduct the heat evenly and effiectively. 

·    Features of underlayment

• Twin skin for superior waterproofing
• Excellent water vapour barrier
• Very good impact sound insulation
• Excellent Tear, Tensile and Compression Strength
• Absorbs unevenness in base floor
• Excellent thickness tolerance
• High Thermal Stability
• Inert, does not deteriorate or mildew
• Lightweight, easy to install rolls
• Can be walked on during laying
• Environmentally friendly