Please Note: Minimum order quantity for this product is 15 boards (50mm) / 10 boards (75mm) / 8 boards (100mm).

Celotex GA4075 is multi-purpose insulation board targeted at 'cut to fit' applications between rafters and joists, but its applications don't end there, this board has long been at the heart of Celotex's vast range and provides numerous thermal insulation solutions. This unique board allows excellent lowered U-values with just a single layer that has previously been hard to achieve, and with its rigid foam core comprising of polyisocyanurate (PIR) its foil facing sheets finish this product to make it perfect for any refurbishment or new build project.

• 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 textured aluminium foil facings, GA4000 is manufactured from rigid polyisocyanurate (PIR) using a blowing agent that has low global warming potential (GWP) and zero ozone depletion potential (ODP)
• Lambda: 0.022W/mK
• Is suitable for a number of applications including roof, wall and floor systems
• Achieves an A+ rating when compared to the BRE Green Guide 2008
• Is certified under BBA Agreement Certificate number 95/3197 & 09/4667
• Includes low emissivity foil facings giving improved thermal insulation
• Is easy to cut and shape
• Ideal solution for new build and refurbishment projects
• Provides long term energy savings for buildings