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Repair peeling Emulsion.

Discussion in 'Decorating and Painting' started by RP66, 15 Oct 2020.

  1. RP66

    RP66

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    I have a couple of small areas of peeling emulsion paint, no problom I thought!!
    Just sand back and touch up, but no, the paint just keeps peeling back like a skin on top of the plaster and I cannot get a smooth finish.
    I have tried filling and sanding but still the edges just keep peeling back, what was a 1" dia patch is now 3" dia!!

    HELP PLEASE
     
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  3. JohnD

    JohnD

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    Post some pics

    How old is the house

    When was the wall painted

    How was it prepared

    Is this a bathroom?
     
  4. RP66

    RP66

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    patch.jpg
     
  5. JohnD

    JohnD

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    was it wallpapered before it was painted?

    is the plaster, beneath the peeling paint, bare?

    there seems to be a white line at the bottom of your pic. Is that a skirting board or something?

    Is it a kitchen?

    Stand back and take a wider pic of the wall please.
     
  6. RP66

    RP66

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  8. RP66

    RP66

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    Picture patch.jpg
     
  9. JohnD

    JohnD

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    that sort of mark just above a skirting can be due to damp. Is it a concrete floor? What is on the other side of the wall?

    The plaster colour looks quite dark to me, suggestive of damp. It doesn't look to me like plasterboard. Plasterboard is usually ivory-coloured soft paper coating.

    If the house is 25 years old, it is sure to have been decorated before, either with paint or with wallpaper. It might be that there were traces of wallpaper paste on the wall, which prevented the paint soaking in.

    Sponge a different part of the wall (higher up) please and see if the paint forms a bubble when it is wet. Glue can do this.

    But if you only have the problem low down, I'd explore the possibility of damp.

    Take a wider pic of the wall please.
     
  10. RP66

    RP66

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    Its not damp, it could be dark because I wiped it with a damp cloth to clean it up a bit.
    What ever is behind the paint it roughs up when sanded.
    I've had this trouble whenever using modern paints they seem to dry like a skin on top and just keep peeling, I have similar ploblem in the Kitchen.
     
  11. Grenage

    Grenage

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    We had this in our bedroom recently; the previous owner clearly hadn't mist-coated (or had used PVA) and every time I sanded back it dragged more paint off in spades. I ended up scraping all the paint off the walls and washing, misting, painting.

    If it's only a small section then you might be able to get away with filler smoothed flush and a coat of paint.
     
  12. DIYnot Local

    DIYnot Local

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