U-Values: What Are They and How Do I Calculate Mine?

Whether you’re taking on a new building project or are looking to increase the energy efficiency of an existing building, you’ve undoubtedly heard of ‘U-values’. The mythical term is often referred to in planning permission documents and on various building materials. It is therefore important to have a clear understanding of U-values to ensure you buy the materials required to fulfil the requirements of Building Regulations.

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