this post was submitted on 24 Jul 2023
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Mildly Interesting
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This is not true? L1A, L1B, L2A, and L2B exceed american insulation regulations by a huge amount, and they exceed the EU regulations as well. I did some roofing once upon a time.
Most houses in the UK are not new builds, that's the issue.
Some US states solve this by making it illegal for a roofer to re-roof an uninsulated roof without adding insulation.