Celotex. Your route to compliance
The Building Regulations are changing with further reductions required for CO2 emissions from domestic and non-domestic buildings which means compliance will require even high levels of building fabric performance.Find out more
Insulating Britain Roadshow
Join us on the 50-stop roadshow of the UK providing advice, support and guidance on the UK Building Regulations.Book your seat
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Access BIM files and product datasheets. Create and store U-value calculations. Create Projects. Compare products and convert existing specs to Celotex. Its all in the members area.Why Join?
U-value CalculatorAre you on target for Part L?
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Celotex is the leading UK PIR thermal insulation provider for the building and construction market.
As the UK market leader in high performance PIR insulation solutions, Celotex remains the insulation specialist of choice. We offer solutions for new build and refurbishment applications for both the commercial and domestic sectors.
Positioned at the heart of energy efficiency measures, Celotex has provided innovative and pioneering solutions to the construction industry since 1925.
Products & Services
Enter your required U-value, get the results. Simple.
FR5000 is our premium performance
Celotex Handy Guide
A Professional Guide to PIR Thermal Insulation
BIM objects now available in all
All Celotex products have third party approvals.
PIR Insulation & Part L: Simplifying Compliance.