U-Value Calculator

Calculate the thermal performance
of your masonry wall construction

Select your wall construction

Full Fill
Partial Fill

0.26 W/m².K

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Contact our technical team: 0330 123 1018

Email: asktechnical@forterra.co.uk

The online calculation should be used for guidance purposes only. We recommend contacting Forterra Technical Services where an official U-value assessment can be obtained.