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The Unilin ECO CavityTherm Full Fill Insulation PIR Board 1200 x 450 x 150mm is a high-performance insulation solution designed for cavity wall applications. Manufactured from rigid polyisocyanurate (PIR), this insulation board offers excellent thermal efficiency and helps meet stringent building regulations. Its compact dimensions and pre-formed profile make it easy to fit in standard cavity wall constructions, reducing installation time and thermal bridging. The Unilin ECO CavityTherm board is ideal for new builds and extensions, providing long-lasting insulation and improved energy performance with enhanced moisture resistance.