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Getting rid of the damp plaster

Discussion in 'Plastering and Rendering' started by dabomb3k, 10 Dec 2015.

  1. dabomb3k


    16 Feb 2012
    Thanks Received:
    South Glamorgan
    United Kingdom
    Hi guys, so I had an issue with damp getting in through poor rendering and pointing outside a few months back,

    I've had the wall done with that external wall insulation stuff and then rendered over the top of so the source of the problem should have been cured,

    Internally i had the wall hacked off back to some internal render that was done, some places had some holes in so its been patched up with a bonding coat and then the whole wall skimmed, (however due to poor timing, the inside was done about 3 weeks before the outside work started)

    That particular patch and a few other patchy places over the wall keep flaking off with paint, I've tried some wilko branded damp deal stuff and I've also tried 1 coat of zinsser BIN then used the kitchen and bathroom pint over the top however the paint has once again bubbled

    I'd really like to avoid hacking it all back off by any other means as the room is now almost complete except for this one area..

    Can anyone recommend a better damp sealer or an alternative method? One damp guy once told me white vinegar was good to paint on to counter the salts.. Any recommendations??

    Thanks in advance for any help

    The rest of the wall is now fine it's just this area... I've already sanded it back now so wall may look a bit worse than it is due to the scratch lines of the rough sandpaper

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  3. foxhole


    14 Mar 2006
    Thanks Received:
    United Kingdom
    It will takes months to dry, you can't prevent it with any type of paint, either wait till summer or re-plaster.
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