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Hairline crack on newly skimmed wall - any action needed?

Discussion in 'Decorating and Painting' started by d000hg, 27 Feb 2019.

  1. d000hg

    d000hg

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    We've had our chimney breast boarded (dot & dab) and skimmed. It's a lovely job but as it finished drying I've noticed a long vertical hairline crack almost right up the middle - presumably where two boards join. I gather this is not uncommon on a large wall?

    We're going to paint rather than paper the wall and my question is: do I need to treat this in any way or will painting fill/cover it naturally? I'm never sure what size crack paint can cope with.
     
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  3. opps

    opps

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    Emulsion will fill 0.5mm cracks. The paint will shrink back very, very slightly.

    The second coat should mask the shrinkage.

    Unfortunately there is no way of accurately predicting if the crack will reappear.
     
  4. gc1967

    gc1967

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