Calculate your U-value

Find out your building's elemental thermal performance via our U-value calculator.

Recticel Insulation provides U-value calculations free of charge to demonstrate compliance with building regulations. Calculations derived from the online U-value calculator are designed to be indicative only and Recticel Insulation accepts no liability for errors in calculations.

Any specification should be approved by the design and management authority to ensure it meets project specific and regulatory requirements. Recticel Insulation cannot be held responsible for design errors.
For a more formal and accurate calculation and condensation risk analysis, please contact our 
Technical Services team with a request in writing confirming the specification and build-up of the element in question.

We care about your privacy. That's why we will only use your data to reply to your enquiry. Find out more in our privacy notice
At any moment, you can access, modify or have erased your personal data by sending a request to

Please note, after mass updates to retain it's efficiency, our U-value calculator is currently in it's beta stage, please contact our Technical Services team with any specific questions about this or your calculation.