U-value Calculator
U-value Calculations for Insulation Boards
U-values measure how well a construction resists heat loss. Our new U-value Calculator delivers fast, accurate calculations to support Building Regulations compliance, with a simple single-page view, condensation risk analysis & a project saving hub.
Discover The Potential
Scroll For More
Our U-value Calculator - Built for you
Offering free, quick and easy calculations for wall, floor and roof constructions.
Create accurate U-value and heat loss calculations for walls, floors and roofs. Smarter, faster and intuitive to use, compare materials, assess condensation risk, access product data and save projects to support Building Regulations compliance.




If you have a larger project, you can contact our experienced technical service department via the form below
Frequently Asked Questions
BACK TO TOP