

Celotex GA4000
High performance rigid Polyisocyanurate (PIR) general application insulation board.
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.
Easy to cut and shape.
Can be used to improve reliable long-term energy savings for buildings.
BBA certified.
Thicknesses and Availability:
Available in most popular thicknesses at most depots; short lead-times may apply if we need to get stock in before delivering to site.
This GA4000 Range includes the following readily available product thicknesses: 50mm, 60mm, 70mm, 75mm, 80mm, 90mm and 100mm.
Product Information
General information about Celotex GA4000
Product Application
General application insulating board
Celotex's high performance polyisocyanurate (PIR) foam board, GA4000, is suitable for use in pitched and flat roofs, solid masonary walls, timber and steel framed systems, and floors.
Product Make-up
Core
Celotex 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).
Facings
Faced on both sides with a low emissivity aluminium foil, autohesively bonded to the insulation core during manufacture.
Product Properties
Thickness | 50mm to 100mm | |
Board Length | 2.4m | |
Board Width | 1.2m | |
Board Edge | Square |
Product Prices
Buy Celotex GA4000
Reasonable stock levels are generally held at most of our depots. In some geographic locations, depots may stock alternates, however, we will contact you to discuss before proceeding with the order.
Where products need to be brought in from Celotex, please allow approx. 1 week for delivery.
- Generally 1 or 3 working days for delivery
- Generally 1 to 5 working days for delivery
- Generally 5 to 10 working days for delivery
- Special request or made to order item, allow extended lead times. Minimum order levels may apply.
- Please call to check availability and approximate lead times
Product availability depends upon stock levels at closest depot and delivery logistics to geographic locations
Product Performance and Guides
Product Performance, Manufacturer Downloads, and Installation Guides
Product Performance
Thermal Conductivity | 0.022 W/mK | |
Compressive Strength | 140 kPa at 10% compression | BS EN 826:2013 |
Vapour Resistance | > 300 MNs/gm |
Product | Thickness | Thermal Resistance | kg/m² |
---|---|---|---|
Celotex GA4050 | 50mm | 2.25 m²K/W | 1.92 kg/m² |
Celotex GA4060 | 60mm | 2.70 m²K/W | 2.26 kg/m² |
Celotex GA4070 | 70mm | 3.15 m²K/W | 2.61 kg/m² |
Celotex GA4075 | 75mm | 3.40 m²K/W | 2.78 kg/m² |
Celotex GA4080 | 80mm | 3.60 m²K/W | 2.96 kg/m² |
Celotex GA4090 | 90mm | 4.05 m²K/W | 3.31 kg/m² |
Celotex GA4100 | 100mm | 4.50 m²K/W | 4.15 kg/m² |
Product Certificates
Please visit the Celotex website for product certificates.