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Kingspan Kooltherm K103 Floorboard is a premium performance floor insulation that provides a thermal conductivity of just 0.018 W/mK across all thicknesses. As part of their Kooltherm 100 range, it provides a level of performance that is unrivalled in the world of rigid thermoset insulation materials with a fibre-free rigid thermoset phenolic core. Manufactured with a blowing agent that has zero ODP and low GWP, it is used to insulate beam and block, concrete and timber floors.