• Celotex. Reaching new heights

    NEW PRODUCT:Celotex RS5000 is the latest addition to the 5000 series and has been specifically designed for rainscreen cladding applications. Successfully tested to meet the criteria in BR 135, RS5000 can be used in buildings above 18 metres in height- a first for PIR!

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    Celotex RS5000 rainscreen cladding solution
  • 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.

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    Celotex. Your route to compliance
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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.

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  • Celotex Blog

    Keep up to date with the latest from our bloggers on industry updates and hot topics. Join the discussion and share your views with the comment section at the bottom of each post. Happy reading!

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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

U-value Calculator

Enter your required U-value, get the results. Simple.

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Featured Product

FR5000 is our premium performance
PIR solution.

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Celotex Handy Guide

A Professional Guide to PIR Thermal Insulation

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BIM objects

BIM objects now available in all
4 formats.

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Approvals

All Celotex products have third party approvals.
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Request CPD

PIR Insulation & Part L: Simplifying Compliance.

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