Celotex Insulation Boards

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Celotex is a trusted manufacturer of many popular styles of insulation board and cavity wall insulation, including PIR insulation boards.  It is easy to install and commonly used to insulate lofts, walls and floors within buildings. Shop our selection of Celotex insulation boards to find the thickness best suited to your project, or for large quantities, buy our most popular sizes in bulk pallets

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