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Painting & Decorating

Paint scraping off in sheets after rewire

Anonymous user 25/08/2026 - 2.39 PM

Hi, I have recently had my property rewired. I am now beginning the process of redecorating throughout and have unfortunately discovered that the paint can easily be scraped off in sheets. This reveals a yellow, chaulky surface underneath with a lot of hairlines cracks. I assume this is some kind of paint on top of the plasterboard. I am just wondering what my options are please. I understand I'll need to scrape it all off because the paint needs something solid to adhere to but not really sure where else to go from there. It's going to take me an awful lot of time to work through the whole house by myself so I want to make sure I have a proper plan so I'm working as efficiently as possible. Thanks in advance for your advise all

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2 Answers

Hossein

Rating: 1 out of 5

Glasgow

I would recommend testing a small area first to identify exactly what is causing the paint to fail. Any loose or flaking paint should be removed, then the surface should be cleaned and properly prepared. Depending on the condition of the plaster underneath, it may need sealing/priming or some areas may require filling and skimming before repainting. I would avoid scraping the whole house until the cause has been established, as this could create unnecessary work.

Answered25 August 2026

Harry Morgan

Rating: 5 out of 5

Brighton

Hi, scrap back to a firm edge all loose and flaky paint, a light sand all over and wipe down. One coat of zinsser GARDZ problem surface sealer, then fill all edges and where needed, rub down and seal again where filled and you’ll be ready to paint.

Answered25 August 2026