Hi I've painted my downstairs toilet on one wall the paint cracks and peels off right down to showing the plastered wall only in about 3 spots the rest off the wall is fine can I just peel off paint rub down and then just wallpaper the wall its driving me mad please help
Then primer seal the wall before painting
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It all depends on the wall what's the course of the paint pulling off. First if it's damp. U need done dame liquid or fluid. And the best way to get the paint to hold as well on the wall u need to prime it first with some pva. Let it dry very much dry the undercoat. With dampcore then paint it ova u will have to treat the affect area first before it all apparently again
rub down and paper should be fine or try an oil based paint (undercoat/gloss)on the area first to see if peeling persists
Please post the job and photo of the wall.
But if its peeling off mens it can be wet.
If you apply wallpaper will be worst as wallpaper will come off also.
First need fix the problem. Then paint or wallpaper
First of all I would try to identify what the crack is and how to fix this- the crack must be there for a reason. It may be that the wall needs to be replastered before wall papering or painting the wall.
Once I have investigated what the cracks are-eg whether subsidence or not, will determine whether to just fill the cracks then wall paper, or whether to another professional would need to correct the subsidence and then once completed, replaster and paint/wall paper.
It is best to primer seal the wall before papering it first.
Pva glue or a water seal paint
Hi there, it seems like the bare plaster hasn't been sized (sealed). You should scrape and sand any loose paint, then use 2 seal coats, watered down emulsion can be used or builders PVA, Then 2 normal tops coats. Never paint or wallpaper on bare plaster that hasn't been sealed properly. Paint will peel and the paper will be extremely hard to remove
if you line the wall with 17oo lining paper horizontally the wall paper as normal.
but past the wall and paper
Rub down this area until all edges are sound. Then apply a thinned coat of pva to seal affected areas. allow to dry, fill the areas as these will be lower than finished areas, rub down and re paint with your chosen finished colour.
If you wallpaper over it it hides temporary problems but if you tap around the crack and it doesn't sound hollow then wallpaper away but if hollow the plaster has blown and need replacing
It would be best to fill the areas that have cracked then sand and then you should be good to paper the walls
Wallpaper cannot be hung over large holes or significantly damaged areas of drywall. ... Significantly damaged drywall, or drywall that has been water damaged, will need to be replaced prior to hanging wallpaper.