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Simple tool for builders and installers to help calculate thermal U Values.

Calculate thermal U Values and meet Part L Building Regulations - Simple tool for builders and installers to help calculate thermal U Values and specify appropriate drylining system options to meet differing requirements, such as cost, maximisation of floor space and thermal efficiency in order to meet Part L Building Regulations for new build, extensions and renovation projects. Results can be emailed or saved for later reference. Also includes find a stockist feature.

What's New in the Latest Version 1.4.0

Last updated on Jan 1, 2023 Resource update.