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Preparing a plasterboard wall with flakey paint

Hi all,

We've recently moved into a house (10 year old new build, plasterboard walls, tall but narrow design)

The master bedroom seems to be the only room where some of the paint is flaking away. In some places it has come off entirely, in others it has cracked.

It mainly occurs in the window recesses, and one part of the skirting board of this one particular room, and only on one wall. All others rooms and window recesses are fine.

The only reason I can think of is that the previous owners had a steam press in this room and it is the room with an ensuite, and so it could be moisture from one of these sources which they didn't ventilate correctly.

Looking at the wall behind the paint, it looks like the bare plasterboard is showing through, the paper lining may be coming off with the paint flakes, or it may not have been there at all?


What would be the best way to prepare the wall for repainting?

Comments

  • Wassa123
    Wassa123 Posts: 393 Forumite
    Pictures:

    image-jpeg.96737

    image-jpeg.96738

    image-jpeg.96739
  • Scrape off all loose paint until you reach a solid edge - there's achance the wall was not correctly prepped before painting originally so you may find it comes off in sheets so go carefully.

    Give the walls a light rub down and clean.

    Apply fine surface filler (don't use ready mixed) like touprets or easifill, then rub down with some 120-180 grit sandpaper.

    You might want to consider putting on a coat of cheap white emulsion at this stage. It will show up any imperfections you've missed. Repeat filling and sanding.

    Apply top coats.

    The longer you spend on prep the better the result.
  • Browntoa
    Browntoa Posts: 49,622 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    as above but seal with a weak PVA glue mix
    Ex forum ambassador

    Long term forum member
  • Browntoa wrote: »
    as above but seal with a weak PVA glue mix

    Don't put PVA on a surface you intend to paint.

    It might be worth watering down the white emulsion coat though to effectively mist coat any exposed plaster though.
  • Le_Kirk
    Le_Kirk Posts: 26,297 Forumite
    Part of the Furniture 10,000 Posts Photogenic Name Dropper
    Abso bloomin' lutely agree about not using PVA. Whilst redecorating for an elderly neighbour, I spent a not very enjoyable day scraping PVA off wall that the homeowner thought would make it better.
  • phil24_7
    phil24_7 Posts: 1,535 Forumite
    Eighth Anniversary 1,000 Posts Combo Breaker
    Agreed...do not use PVA. It has it's uses, but this is not one of them!
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