We were recommended some breathable plaster which reflects damp.Yorick wrote: Wed Apr 08, 2026 6:33 pm After several years firefighting the damp in the basement apartment, I decided to have a proper go at it.
New tenants don't move in for 4 weeks so plenty of time to fix it. Got sick of paint flaking off, and plaster coming off in places.
Small bedroom was worst so chiseled off the plaster where the damp was obvious.
Now need to get someone in to have a go at fixing it.
I've a few builder mates who say they've never been able to fix the problem 100%, even in their own house.
Let's see what happens.
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Was more like mortar and was a real pain to apply.
After first go it took an hour with sander and then a second finishing coat.
Then another hour sanding.
It's gonna work, just not pretty. We can hide the work behind furniture.
Next step is the mega-expensive breathable paint.
Luckily it's the second bedroom in the apartment so only for their guests.



















