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    • CommentAuthorRicochet
    • CommentTimeJan 9th 2017 edited
     
    Hello all,

    In the 'project' house, (my sons), there are triangular voids behind the rooms which are very draughty. the house is on three levels setting back on a hill ( a long roof on one side) with the garden at the second level at the back .
    the voids are generally as per 'Jerseyman' s previous discussion but are either much larger, or very much smaller, hardly a crawl in , and all with water piping.
    To use Jerseymans photo-- on the left, last year I put dense fibre insulation at the back of the rooms,
    on the right is very much the same except being a 70/80's ex council house the rockwool stuff is paper backed and was stapled between the rafters, then roofing felt and then the tiles .

    Joists run in to the cavity walls at the sides on the upper floor.

    These voids are all joined by the spaces above the two stairs and leak into the house through where the lovely old boiler was.

    and everything was open into the roof space!! although I've closed that off... almost(-soil/vent pipe runs through )
    The rock wool stuff is falling out here and there as you can imagine .

    So what is the way forward??

    son is worried about the usual -ventilation/condensation/etc

    All help/guidance/information gratefully received,

    jc

    ps apologies to Jerseyman for 'using' his pohto
    •  
      CommentAuthordjh
    • CommentTimeJan 10th 2017
     
    You might give us a link to the other discussion for those of us too lazy to go search for it.
    • CommentAuthorgyrogear
    • CommentTimeJan 10th 2017
     
    well, without seeing them, I'd be inclined to treat construction voids like a crawlspace, viz. rigid insulation boards glued to all vertical walls. Would also line the floor and roof into the bargain. They could be heated with an incandescent light bulb, for peanuts...

    gg
    • CommentAuthorgravelld
    • CommentTimeJan 10th 2017
     
    •  
      CommentAuthordjh
    • CommentTimeJan 10th 2017
     
    Thanks for the link, Dan. John, I don't see how that photo matches what you're describing at all. Could you post some photos of your own to show your actual situation?
    • CommentAuthorRicochet
    • CommentTimeJan 11th 2017
     
    Photos.. a picture says a thousand words.. will try. (I think I'm the lazy one not adding the link)
    Should have started with pics , :shamed:
    will take some tomorrow
    thanks
    jc.
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