NEW U Value Calculator
Are you on target for Part L?
This professional calculator allows you to specify your desired U-value and it will immediately calculate the required insulation thickness and product. With even more wall, floor and roof applications included it will help offer you instant solutions. Check here to see if you are on target
We know insulation inside and out
Celotex is the UK brand leader of PIR thermal insulation solutions for the building and construction market. With a history of continual product innovation, technical progression and an unrivalled product and service package spanning over 85 years, Celotex remain the insulation specialist of choice.
As the fastest growing insulation category within the UK, PIR (polyisocyanurate) insulation provides the perfect solution for meeting both current and future building regulations and other carbon reduction programmes. PIR insulation delivers high thermal performance allowing homes and buildings to achieve premium levels of energy efficiency and with some of the thinnest possible solutions.
As a leading investor within the insulation market, Celotex has a considerable advantage over many other insulation providers. These include:
- 'Best in class' PIR insulation with Celotex FR5000 and CG5000 delivering an exceptional thermal performance which is over 100% more thermally efficient than many mineral fibre products and up to 10% better than typical PIR
- The broadest range of PIR thicknesses from 12mm to 200mm
- Super low emissivitity values with Celotex IQ contributing to thinner solutions
- Products with Class O fire performance and an A+ rating when compared to the BRE Green Guide 2008
- A lower environmental impact than typical PIR manufacturers
- An expansive product range suitable for pitched and flat roofs, walls and floors including specific products for internal and external solid walls with Celotex PL4000 and SW3000
- Third party approvals from leading industry organisations including the BBA, BRE Global, Ofgem and the Energy Saving Trust
- Industry leading technical support from the Celotex Technical Centre
Whatever your requirement, you'll find all you need here from the insulation specialists. For any further technical support or information, please refer to the 'contact us' page
New U-value app
Calculate U-values anywhere with our new mobile app. Read more
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