Minimum Order Qty: 5 Boards Underfloor Heating Floor Insulation - 10mm EkoBOARD - Maximising Efficiency - Minimising Cost. These boards are 1200mm x 600mm x 10mm EkoBOARD floor insulation has been designed to ensure that your underfloor heating system works as efficiently as possible. EkoBOARD has been tested by the engineers at the ELEKTRA factory and has been approved for use with ELEKTRA underfloor heating cables & mats. What will EkoBOARD do for you? ---Reduce your energy bills. ---Improve the performance of your heating. ---Feel the warmth faster. EkoBOARD floor insulation is compatible with:- ---Underfloor heating cables or mats ---Floor Tiles ---Floor Screeds ---Suitable for use with Concrete Properties Standard EkoBOARD What it means Thermal Conductivity BS EN 12667 / BS EN 12939 0.