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Plastering over paint.

Discussion in 'Plastering and Rendering' started by ellal, 5 Nov 2018.

  1. ellal

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    Plenty of conflicting info online, so thought I'd ask here.

    Got a chimney breast that had previously had some not so good plaster work done on the front face.

    It has been painted with an emulsion which has a slight sheen but is sound.

    I want to re-skim, but should I just give it a rough sand and PVA it, or use something like Blue Grit?

    fp.jpg
     
  2. DIYedboy

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    If this is in your house, I'd rough it right up with the teeth of a saw blade or use an angle grinder(to cut into the plaster underneath), once it's nice n scratched up, paint on pva, wait until it goes a bit sticky n then smack on a couple of coats of multifinish
     
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