The 90mm x 2400mm x 1200mm Celotex PIR Insulation Board GA4000 is a versatile, high-performance insulation solution designed for roof, wall and floor applications. Manufactured by Celotex, the board is made from PIR (Polyisocyanurate), known for its superior thermal performance. Its size and rigidity make it easy to install, while the low thermal conductivity ensures excellent energy efficiency. The board is Euroclass E fire rated and complies with British building regulations.