The Celotex XR4200 insulation board is a high-performance solution designed for superior thermal efficiency in walls, roofs, and floors. Each pallet contains 12 boards, each measuring 200mm thick and sized at 2.4m x 1.2m, making them suitable for large-scale building projects. Manufactured from rigid polyisocyanurate (PIR) foam, Celotex XR4200 boards deliver excellent insulation properties while maintaining a lightweight design for ease of handling and installation. This insulation board meets stringent UK building regulations and is ideal for both new builds and refurbishments where improved energy efficiency is required.