The Celotex Laminated Insulation Board 2400 x 1200 x 72.5mm is a high-performance rigid PIR (Polyisocyanurate) foam board, designed to provide superior thermal insulation. This laminated board is easy to install and offers excellent heat retention properties, making it an ideal choice for both new builds and refurbishment projects. It features a low emissivity foil facing on both sides that enhances its thermal efficiency. The Celotex board is also resistant to the passage of water vapour, ensuring a healthier and more comfortable indoor environment.