The 100mm Kingspan Kooltherm K108 Cavity Insulation Board is a high-performance rigid insulation solution designed for use in cavity wall constructions. Measuring 1200mm x 450mm per board and covering 2.7m² per pack, this insulation board offers excellent thermal efficiency with a low lambda value, helping to improve energy performance in residential and commercial buildings. Manufactured with a fibre-free thermoset phenolic core, Kingspan Kooltherm K108 is lightweight yet robust, easy to handle, and simple to install between wall cavities. The foil facing on both sides enhances moisture resistance and durability, making it an ideal choice for new builds or retrofit projects requiring effective cavity wall insulation.