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ETC

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ETC last won the day on October 2 2023

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  1. No….no…..and no again. How many times do I have to say no do not build like this. You will get problems with interstitial condensation if you build like this.
  2. Perhaps. But the size and shape could have been determined by factors we are not privy to.
  3. It’s always the architect who gets the flack!
  4. https://hoa.org.uk/advice/guides-for-homeowners/i-am-improving/spray-foam-roof-insulation/ https://commonslibrary.parliament.uk/spray-foam-insulation-and-mortgages/ https://www.which.co.uk/reviews/insulation/article/spray-foam-insulation-ajTlp7t5K7lT
  5. You’ll have a massive cold bridge there I’m afraid. Are your joists laid to a fall?
  6. I am not sure if this will work - the levels and falls would need to be fully worked out. You’d need to start from the bottom of the window cill and work out your levels from there. The gutter insulation could be reduced to the absolute minimum - I suspect 150mm could probably get your U-value but this would need to be checked.
  7. Can you fall the flat roof towards the wall with the problem window dropping down into a gutter running along that wall formed by reducing the flat roof insulation thickness in the gutter.
  8. Wherever the CA is located it has been established to conserve and protect the historic heritage of an area. UPVC does not belong in a CA or a Victorian dwelling.
  9. Build a brick wall just inside your boundary.
  10. You will probably need PP to replace windows in a CA and probably won’t get consent to put in PVC. In any case either get your existing windows refurbished including proper draught-proofing or put in new timber windows. And to answer your question - there are other ways to achieve Background Ventilation other than trickle vents.
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