Celotex GA4050 50mm PIR Insulation Board 1.2m x 2.4m

£30.53 Incl. VAT
£25.44 Ex. VAT


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 blowing agent that has zero ozone depletion potential (zero ODP) and low global warming potential (GWP).


Suitable for

  • Pitched roofs
  • Flat roofs
  • Solid masonry walls
  • Timber framed & steel framed systems
  • Floors


With Celotex GA4000 you are specifying an insulation board that:

  • Is suitable for use in a number of applications including roof, wall and floor systems
  • Includes low emissivity foil facings giving improved thermal insulation performance within cavity air spaces
  • Is easy to cut and shape
  • Can be used to improve reliable long-term energy savings for buildings
  • Is certified under BBA certificate number 17/5405 and 16/5352


Thickness: 50mm
Length: 2.4m
Width: 1.2m
Board coverage: 2.88m²
R-value (m²K/W): 2.25
Thermal conductivity: 0.0022 W/mk
Spread of Flame: Class 1 BS 476-7:1997

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