U-Value Analysis of windows & doors

U-values / Thermal Transmittance Calculations for Windows and Doors

Build Check Ltd are accredited by UKAS to undertake thermal calculations for windows and doors to meet the requirements of the Building Regulations, Part L.

In addition, we can help in cost effective R & D activities to maximise the performance of your fenestration products to specified requirements.

Alternatively, Build Check’s Oracle U-value calculator may be used by subscribing members to calculate their own U-vales for windows and doors to demonstrate Part L compliance.