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  1. 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...
  2. 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 ,
  3. 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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