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  1. C

    felt leaking

    its cromar felt breathable . i know the tiles will keep the water out but i was just wondering if any one else had experienced this or am i doing some thing wrong .
  2. C

    felt leaking

    yes i did it all corectly half people say felt leaks when exposed to bad rain the other half say no it should never get through. the only explanation i can think is its acting like a tent and coming through where the felt is touching the rafters .
  3. C

    felt leaking

    hello just felted my roof and will be waiting a week or so before i tile it . But during the bad weather i have noticed rain dripping in through where i have nailed the battens to the raffters its only small leaks but want to sort it before tiles go on any ideals on how to fix it . i have used...
  4. C

    insulation under damp tray

    ok thanks let me start from beginning. im building a extension for a friend its 2 skins of blockwork with 100mm cavity full fill inulation. i built up to dpc for him. and left him to concrete cavity . unfortunately he never listened right and concreted within a 100mm of dpc instead of 225mm...
  5. C

    insulation under damp tray

    any help or advice would be very wellcome
  6. C

    insulation under damp tray

    dont think i have explained that right the bottom of the tray sits on dpc level then gos up and sits on the thermo block. so what im saying is i have 225mm under the tray that is above finnished floor level . hope this makes more sence
  7. C

    insulation under damp tray

    hi just a quick one if your building a cavity with a damp proof tray and the rest of the cavity is 100 mm drytherm full fill. can you still use the same stuff under the tray . im talking at ground level ,
  8. C

    expansion in concrete floor

    yes doing extension my self up untill roof so need all help i can get .
  9. C

    expansion in concrete floor

    not sure full plans i think. is this now done with all concrete slabs how serious or vital is it.
  10. C

    expansion in concrete floor

    if bc did pick up on it would they have the slab out or would they see it as a minor error and why did architech not put it on drawings.
  11. C

    expansion in concrete floor

    ah right so what happens now then because its not in there
  12. C

    expansion in concrete floor

    hi I am doing a extension and just laid the concrete slab after i done it some one said i should have put 25mm celotex or some kind of expansion joint all the way round against the exsisting house and new blockwork underneath the dpm. It was not on the drawing . However could building control...
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