Our free and easy to use U-value calculator will give you instant results for your specific requirements. You are guided through the calculation step by step, with helpful hints along the way and you can use the calculator on any device.
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The following solutions match the build-up you have provided. Please select one of them to see more detailed information and the full calculation.
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Thank you for using our U-value calculator! Unfortunately the calculation was unable to be achieved in the build-up you have supplied. Please contact our technical team for a bespoke calculation, alternatively try using the calculator again with different options or extending your timber depths.