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Painting & Decorating

Why is our new paint easily scraped off?

Anonymous user 15/03/2024 - 2.43 PM

We painted an old wood panelled room. We decided to paint it a dark grey. The room before had been painted many times before (not by us). It was white in colour. We primed it with a grey undercoat about 6 months back. We finally got around to painting the top coat this weekend. We painted an initial coat of emulsion yesterday But this morning, we just realised (to our frustration) it scrapes off. I can scrape through the grey top and undercoats to the white paint below with my thumbnail. Is this something we need to address? Or can we just touch up future scratches as they appear? Or will the paint start peeling off by itself eventually? What to we need to do to fix it? Can we just paint over it and touch up scrapes or will that be a disaster ?

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3 Answers

Dc decorating services

Rating: 5 out of 5
Stevenage
You will need oil based paint as water based over oil will scrape of very easily
Answered9 November 2018
1

Anonymous user

Hello, First of you should have key'd the surface with a fine sandpaper, primed with an adhesion primer like Zinsser 123\BIN. then applied top coats like Eggshell or Satinwood. Using emulsion will be part of the problem as it is for substrates like plaster, gyprock etc.. If you applied a water based product on top of an oil based finish, it will just scratch off like you said, I doubt it would peel of completely, but will scratch! Method to rectify the issue is sand back ( unfortunetly ) then coat with the recommended primer, then top coat using oil or water based on top of the adhesion primer. Goodluck!
Answered4 November 2018
0

Sanders & Painters

Rating: 3 out of 5
Milton Keynes
It could be that the previous homeowner or tenant used a gloss paint on the woodwork. The best thing to do is remove all of the paint on the wood which can be done with a heat gun or a professional paint stripper ( be careful not to get this on your skin). Once you have successfully removed the previous paint make sure that you completely sand the surface down and remove all of the dust (sugar soap works best for me). Once you are satisfied that all dust particles have been removed paint the wood with a Primer before using Emulsion. I would suggest using Gloss again (you can get one with a dull shine) as Emulsion is mainly for plastered walls and ceilings.
Answered5 November 2018
0