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Discuss Substraight advice for splashback in the Tiling Forum area at TilersForums.co.uk.

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  1. Anthony Wills

    Anthony Wills Active Member

    Location:
    Chichester
    Ok, strange one. My customer was advised to chalk his walls. He has removed the old tiles and adhesive in the kitchen which, luckily, has left the walls in a fairly straight condition. But he had bought tubes of chalk and kind of applied it like you would with plaster to the whole wall. I have just used an aycrlic primer diluted 1:1 as per instructions, but this has weakened the chalk meaning I can basically scrape it of with my fingers. Any advice please? Using bal green star, 150 x 150 ceramic (cheap) tiles. Thank you
     
  2. macten

    macten Professional Tiler

    Location:
    Nottingham
    I'd be scraping it all off.
    Sounds like it will come off easy enough.
     
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  3. timeless john

    timeless john Moderator Staff Member Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    North East England
    Yes scrape it all off and reprime the bare plaster.
     
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  4. acaciaguy

    acaciaguy Professional Tiler

    Location:
    coventry
    As above. Good advice
     
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  5. Anthony Wills

    Anthony Wills Active Member

    Location:
    Chichester
    Tried to get it off but it's left the substraight in a pretty crap state. No plaster in places. So I either try and scrape of all the plaster, cut out the plaster board and reboard or overboard with 3mm? Backer board.
     
  6. Anthony Wills

    Anthony Wills Active Member

    Location:
    Chichester
    Or is 6mm the smallest?
     
  7. jcrtiling

    jcrtiling Trusted Advisor Professional Tiler TTA Member Top Contributor

    Location:
    Salisbury
    4mm is pretty easy to get hold of
     
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  8. Anthony Wills

    Anthony Wills Active Member

    Location:
    Chichester
    Update: the customer has spoken to his Dad, who gave the chalking advice. His Dad is a painter and decorator and has now said, "just PVA it, then when it's dry you can tile it, that's what i did in my bathroom" :flushed::fearscream: I've explained that you don't use PVA for tiling.

    It turns out the rest of the chalk came of easy, so I'm going to re-skim one area, then tile when it's gone off....using acrylic primer of course
     
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