Celotex is the UK’s leading manufacturer of high performance PIR insulation boards.
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Celotex products insulate countless buildings the length and breadth of the UK.
Our solutions continue to make a difference not just by creating warmth and comfort but by saving energy too.
Celotex PIR (polyisocyanurate) has excellent thermal performance with lambda values of 0.022W/mK,
thereby reducing the thickness of insulation required to hit the required U-value, optimising space in construction design.
Every day, thousands of professionals choose Celotex. For them, Celotex is insulation.
Plus, all Celotex products come with a suite of practical online tools, as well as exceptional before and after sales service.