50mm Celotex GA4000 PIR insulation for floors-walls-roofs 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).
Available thicknesses: 50mm,60mm,65mm,70mm,75mm,80mm,90mm,100mm
Board coverage: 2.88m2
Compressive strength: 140
Thermal conductivity: 0.022 W/mK
Thermal Resistance: 2.70m2K/W
Surface spread of flame: Class 1
Reaction to fire: E
Facer: Low emissivity composite aluminium foil
With 50mm Celotex GA4000 PIR insulation for floors-walls-roofs 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
50mm Celotex GA4000 PIR insulation for floors-walls-roofs can be specified for use in a variety of applications including:
As well as being CE-marked, Celotex GA4000 is certified by the British. Board of Agrément for floors, framed walls and pitched roofs. Made at our original site in Hadleigh or our state-of-the-art facility in Eggborough (opened in 2018), you can be confident of it provides reliable, long-term energy savings.
How does 50mm Celotex GA4000 PIR insulation for floors-walls-roofs perform?
The entire thickness range offers a low thermal conductivity (lambda value) of 0.022 W/mK, putting GA4000 among the best-performing widely-available insulation materials on the market.
In any of its intended applications, GA4000 can help to provide most of the thermal insulation performance-but the overall heat loss from a building element depends on.
all of the materials used and the way they’re installed. Use our online and mobile U-value calculators to help you find the most efficient solution for each type of construction.
50mm Celotex GA4000 PIR insulation for floors-walls-roofs low emissivity aluminium foil facing can help achieve lower U-values when installed facing a clear air space within a construction. Check our frequently asked questions for common queries about positioning and installing products correctly, or contact our technical services team. Like all Celotex products, GA4000 is a thermal insulation solution that can help to meet energy use and carbon dioxide emissions targets set by national building regulations.