Celotex 120mm XR4120 2.4m x 1.2m clerk_003 there's an option to fit

there's an option to fit your needs

Celotex XR4000 Insulation Board: A range of extra-thick PIR insulation boards for applications requiring a higher level of thermal performance

The Celotex Rigid PIR Insulation Board should always be stored in a dry place

Outstanding Thermal Performance: K value of 0

and even masonry walls

Celotex 120mm XR4120 2.4m x 1.2m clerk_003 there's an option to fitCelotex XR4120 is a 120mm insulation board with a thermal conductivity of 0. 022W mK, designed for multi application use in walls, floors, roofs, and cavities, ensuring optimal energy saving and reduced heating bills. The insulation board meets Building Regulations by delivering the necessary U values with minimal thickness and features tapered edges for quick installation and adaptability. Made from rigid polyisocyanurate (PIR) with foil facings, its