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The Kingspan Kooltherm K103 Floorboard is a premium performance insulation board designed to provide excellent thermal efficiency for flooring systems. Measuring 2400mm x 1200mm, these boards are 150mm thick and come in packs of two. They are crafted with phenolic resin insulation core and boast a top thermal performance of 0.018 W/m.K. Easy to install and compatible with a variety of floor types, these boards are an ideal choice for both professional builders and DIY enthusiasts looking to improve the energy efficiency of their properties.