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  1. L

    Subfloor ventilation required???

    You are correct with your edit sir. The piddly little brackets are for guide only, but in hindsight I should have used hangers, as I've over engineered in many other ways. Yes, the intermittent blocks are concreted straight on to the foundation (above DPM) and are all within 1.5 meter squared...
  2. L

    Subfloor ventilation required???

    Added a pic to better describe. So, yeah, I used up lots of off cuts of pir to fill in under joists, intended to spray foam all gaps and fill inbetween joists with pir also. My thoughts being more insulation is better than none, especially on cold floor. The reason i used joists was to make a...
  3. L

    Subfloor ventilation required???

    Yes, a thicker DPM covers complete slab and up the wall to meet the vapour barrier which will be sealed together. There's about 130mm height from floor to joists which is infilled with celotex also.
  4. L

    Subfloor ventilation required???

    Yeah, that's a definitive answer I keep coming to...but I guess what I'm trying to find out, is why, as in the picture, if you have a vapour barrier that also encapsulates the subfloor also, why that would be a problem? After all, it's all timber. Basically it will prove very difficult for me to...
  5. L

    Subfloor ventilation required???

    So, yes, you see it being a problem? Can you explain why?
  6. L

    Subfloor ventilation required???

    Hello all... I can't seem to find a definitive answer to my quandary so I thought I'd hit up the experts. I'm currently building a garden room/she shed/he said/we said, never again. So, I had a pretty solid foundation after knocking down the old garage and decided to build straight on top of...
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