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The PIR insulation boards below are direct alternatives to Celotex. They have the same thermal rating as Celotex PIR boards and are all approved by BBA.
These alternatives to Celotex boards can be used for multiple purposes including pitched roofs, flat roofs, solid masonry walls, floors, timber framed & steel framed systems.
We stock all thicknesses ranging from 20mm up to 150mm.
If you are looking for a thermal insulation that is significantly cheaper than Celotex, you could use EPS Polystyrene.
