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Ask your QuestionWhen painting on freshly layered plaster, how would be the best way for me to paint over the plaster without causing a mess or any problems to the paint/plaster later?
The plaster is dry, but it has only been a few days since it has been completed.
I’ve been advised that I could apply mist coats first to help seal the plaster – is this necessary, or should I just wait a little longer for the plaster to settle before painting?
"The best thing to do before painting new plaster is to give it a coat of emulsion which has been thinned with 50% water. An alternative is to use a bare plaster sealer before finishing with 2 full coats of emulsion."
Answered on 27th Oct 2019 - Member since Aug 2019 - report"Once the plaster has completely dried give it a light sand and then apply a mist coat (diluted Matt emulsion paint) to the walls. Once this is has dried, apply 2 coats of the paint of your choice. Alternatively you could seal the plaster with a coat of diluted PVA solution followed by the finishing paint."
Answered on 27th Oct 2019 - Member since May 2019 - report"Hi,
As long as the plaster is dry (no dark patches where it's still wet) then it's ready to paint. Yes, you must apply a mist coat to it first so it adheres to the wall. To apply a mist coat add around 20% water to some paint (it doesn't have to be expensive paint, anything will do, preferably white. Once misted, apply 2 top coats of decent paint."
"Hi, you definitely need to give it a mist coat, The watered down paint (50/50) with water absorbs into the plaster making sure you have a much better finish if not it can be patchy and won't cover properly at all and more importantly the paint can peel off if the plaster has been finished to a mirror finish. So yes, always apply a mist coat."
Answered on 9th Nov 2019 - Member since Jun 2019 - report"Yes, you can, all decorators will give you different advice on this."
Answered on 14th Nov 2019 - Member since Jan 2018 - report
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