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Tanking shed wall, what's best?

Discussion in 'Building' started by Ruggers, 10 Oct 2020.

  1. Ruggers

    Ruggers

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    Location:
    True North
    Country:
    United Kingdom
    Looking for any good recommendations for tanking slurry unless they are all much alike?

    Despite repairs, I have a bit of water ingress coming in on a block built outhouse made from 4 inch concrete blocks, it's single skin, but one side of it backs up against a garden.

    On the garden side i've dug out 40cm away from the wall down to the foundation as much as i could. Then painted blackjack to the outside of the wall, slipped a sheet of visqueen up against the wall and backfilled the gap with pea gravel. The outside soil height is 1m higher than the inside floor.

    I still think theres a little bit tracking in from the clay bed and at an edge i couldn't dig out so would like to add tanking slurry to the inside wall and a small floor overlap to stop this.
     
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  3. Funtimes

    Funtimes

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    Hi Ruggers,

    I used Ka tanking slurry to tank the walls and floor of my garage based on recommendations online, I also didn't read anything bad about it. I was also looking at Vandex BB75 but went with the KA as it was a lot cheaper. Only a DIYer and only did it last year but its working so far. I also used Ka fillet seal for the wall floor and wall wall joins, maybe overkill but it wasnt that much more for a bucket of it.

    Good luck.
     
  4. bennymultifinish

    bennymultifinish

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    all powder tanking products are pretty much the same and not particularly expensive.
    my personal preference for smaller jobs is unibond waterproof pva and cement slurry. although it works out a fair bit dearer
     
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