The Unilin Xtratherm PIR Insulation Board 2400mm x 1200mm x 120mm is a high-performance rigid insulation solution designed to enhance thermal efficiency in a variety of building applications. Manufactured using polyisocyanurate (PIR) foam, this insulation board offers excellent durability and superior thermal resistance, making it suitable for walls, floors, and roofs. Its large board size enables fast coverage while minimising joints and thermal bridging. Lightweight yet robust, the Unilin Xtratherm PIR Insulation Board is easy to handle and install, supporting compliance with UK building regulations for energy efficiency.