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Showing results for tags 'thermal bridging'.
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Hi all, We are into a new build and have a very thermally efficient and airtight design but have been told by our SAP assessor that for the new Part L regs they cannot use standardised psi values as they used to in the past for the thermal bridging calculations of timber frame builds. They perhaps can work them out manually but this may work out to cost around £5k… I can’t imagine we are the first to do this since the new Part L regs came out and have been trying to find values from the structural timber association and our manufacturer as has the SAP assessor. Has anyone come across this before or have an idea on a source for these potentially? I have looked at other forums, there is an interesting one from 2021 on Part L but nothing that seems to help. Thanks -
One dimensional thinking
tonyshouse posted a topic in Energy Efficient & Sustainable Design Concepts
We can view plans in three dimensions, model buildings in hyperspace and take virtual tours. Yet we continue to calculate heat losses in one dimension. As insulation gets better the proportion of heat lost through thermal bridging increases, no one cares much.