Celotex GA4000 is a general purpose insulation board for floors, walls and roofs. It has long been at the heart of the Celotex product range providing the user with a range of thermal insulation solutions.
With low emissivity foil facings, GA4000 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential (GWP).
With Celotex GA4000 you are specifying an insulation board that:
Need a different size?
12mm - 45mm Celotex TB4000
50mm - 100mm Celotex GA4000
110mm - 200mm Celotex XR4000