Home DIY

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apc in reply to @Grumpy_Git

First floor bedroom and single brick wall, so if there are pipes you know where they are. No wall ties either.

The brick feels dry so it seems like its just the lime plaster (if that is lime plaster) and then subsequently the gypsum is damp. Lack of breathability is I'm sure an issue, but why just this spot 🤔

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bluehuw in reply to @apc

wall tie sounds very plausible to me. I also have a bee in the bonnet about mixing plaster technologies+ the covering in lining paper shortening the life span. It looks so localised with no obvious failure,, have you been into (investigated) to the loft space?

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apc in reply to @bluehuw

no wall ties in this wall and that's paint not lining paper

I have been in the loft and there doesn't appear to be anything and also surely it would be at the top of the wall as well if it was coming from above?

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