Answer for Mudding over Sheilds

I would prime before skim coating. Zinsser Cover Stain or Kilz Original will work good. This will make sure there won't be any reactions with the drywall mud and wall, remaining wallpaper glue or whatever might be there. After skimming, spot prime the repairs then paint.

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Answer for Mudding over Sheilds

Skim coat to a smooth surface using joint compound and a trowel, then wait for complete drying (2-3hrs) then prime with a Pigmented Shellac Sealer Primer…

  • By MagicDave
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