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![Celotex XR4000 PIR 1200 x 2400 x 110mm](http://www.cutpriceinsulation.co.uk/cdn/shop/files/celotex-pic_f391ff8c-11b8-46bb-9f8a-2a733c39a55a_grande.webp?v=1737479845)
Celotex XR4000 110mm is a high performance PIR insulation board that is light weight, easy to cut, handle and install. Whether it’s a pitched roof, framed wall or floor, Celotex is the ideal solution amongst contractors and installers
Celotex XR4000 110mm PIR boards have a thermal conductivity of 0.022W/mK, making it one of the most effective rigid insulation boards available.
Celotex XR4000 110mm can be used for various applications including;
Pitched Roof - Between & Under Rafters
Flat Roof - Between & Under Joists
External Walls - Solid Walls, Cavities & Timber Frame Walls
Ground Floor - Block & Beam Floor, Concrete Slab Floors, Suspended Timber Floors
Celotex XR4000 110mm boards have a Euroclass F Fire Rating.
The compressive strength of Celotex 110mm PIR is 140 kPa when tested at 10% compression to BS EN 826: 2013
Please note an alternative product of EQUAL or BETTER performance to Celotex XR4000 may be offered to speed up delivery