Celotex GA4100 General Purpose PIR Insulation Board is a high-performance solution for thermal insulation in floors, walls, and roofs. Measuring 2400 x 1200 x 100mm, this rigid polyisocyanurate (PIR) board offers excellent thermal efficiency and is lightweight for easy handling and installation. The Celotex GA4100 insulation board features low emissivity foil facings on both sides, enhancing its overall performance within building fabric. Suitable for both new builds and refurbishment projects, this insulation board helps meet stringent regulations while maximising energy savings across various property types.