The Unilin CavityTherm Full Fill Insulation PIR Board 1200 x 450 x 90mm is an excellent choice for effective and efficient insulation. Crafted with precision, this board is designed to provide a complete full-fill insulation solution, eliminating the traditional cavity. This boards dimensions make it an ideal fit for most standard cavity wall applications. It optimises thermal performance, reducing heat loss and improving energy efficiency of the building. Made from robust PIR material, it ensures long-lasting durability and reliable performance.