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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.
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Housing - Renovation: DPM on top or underneath

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      CommentAuthorMichael1
    • CommentTimeJul 10th 2020
     
    Hi All, I am about to put down insulation on top of a concrete floor most of which has been down for god knows how long, I have added to it and put in DPM. Do I put the DPM under the insulation between it and the concrete or between it and the chipboard flooring.
    Regards
    Michael.
    • CommentAuthortony
    • CommentTimeJul 10th 2020
     
    I always put the vapour barrier on the warm side of the insulation. ie between the floor sheets and the insulation where it acts as a combines air tightness layer, DPM and VB. Never had any problems.
    •  
      CommentAuthorMichael1
    • CommentTimeJul 10th 2020
     
    Warm side it is then, thank you.
    Regards
    Michael

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