An area on an interior plaster wall adjoining my neighbour's chimney has a rust coloured patch. I've treated this 2 -3 times with cuprinol damp stop on and painted over it with emulsion but after a few weeks the wall starts to blister again from under the damp stop. Any ideas how I can deal with this?
blistering on an interior wall
- Thread starter helen
- Start date
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B
breezer
i would guess you would have to remove the plaster, and sww what is causing the patch.
Does it appear more so after it has rained?
Does it appear more so after it has rained?
The weather doesn't affect it. I have similar patches next to one of my own unused fireplaces they don't blister even though the staining eventually seeps through after using a stain stop. Beneath the plaster that does blister is a stone or brick wall separating my house from my neighbours and adjoining her chimnney. I think we can safely say that her chimney is the cause and impossible to cure so I'm rally looking for a damage mangement strategy.
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