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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.

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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.

Access our U-value Calculator
Single page calculation
U-value calculations

If you have a larger project, you can contact our experienced technical service department via the form below 

U-value Calculation

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