The Celotex TB4025 PIR Insulation Board is a high-performance thermal insulation solution designed for walls, floors, and roofs. Measuring 2400 x 1200 x 25mm, this lightweight board offers excellent thermal efficiency, helping reduce heat loss and improve energy performance in residential or commercial buildings. Its rigid polyisocyanurate (PIR) core ensures durability and moisture resistance, making it suitable for new builds or refurbishment projects. The Celotex TB4025 insulation board is easy to handle, cut, and install, providing a reliable option for meeting building regulations regarding energy conservation.