Plaster and limewash

[dobbsie]

I have a plastered bathroom wall (not lime plaster) which I believe has been painted with limewash. The plaster appears to be crumbling on the surface. Am I right in thinking that the limewash is letting moisture into the plaster and it is then breaking down? Will the wall need to be replastered?

[kbrownie]

did you pva prime wall prior to plastering?

[dobbsie]

[quote="kbrownie"]did you pva prime wall prior to plastering?[/quote]


Already done when I moved in so I don't know.

[TheDoctor4]

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