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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.

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    Single skin stub wall for the shop we are renovating has been rebuilt one block high with no DPM

    We were going to use 50mm IWI and potentially baton/ply and tile the front or maybe use WEDI board and tile straight on.

    The DPM can sit under the window sill, floor joists not touching outer wall due to previous water ingress (basement below)

    Help appreciated as it's being rendered again this weekend
    • CommentAuthorMike1
    • CommentTimeApr 30th 2021
    Difficult to envisage without a sketch, but what's your concern?

    If it's the lack of a DPM below the wall you could use a liquid DPM on the internal side (Aquaseal Hyprufe or similar)...
    It's basically a pavement that buts up to the stub wall of the shop. As the outside pavement is on a slope the section of the shop floor is below pavement level

    So we were thinking of either an aco or a dpm to form a channel up against the wall perhaps...

    The pavement will be retarmacced at some point
    • CommentAuthorMike1
    • CommentTimeMay 1st 2021
    Then I'd treat it as a mini retaining wall and use Aquaseal on the inside, as above. A channel outside would certainly be good, provided the contractors don't fill it with tarmac later...
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