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Plaster not drying

Morventoad99
Posts: 1 Newbie
Hi, I’m looking for some advice. About a year ago a damp patch appeared on a bedroom wall, which then became three separate patches on the same wall.
I had a roofer come to look at the roof as it is the original 1950’s roof. He said dry as a bone, no problem.
He said maybe ingress from the chimney and pulled out some foliage growing in it and capped it off as it doesn’t come down into the house anymore.
I used a humidifier for several months and no improvement.
I then had the outside walls rendered/roughcasted as the old render was “boss”
No improvement, so a plasterer took away the plaster at the 3 patches, put in a damp proof coating and re plastered.
No improvement, so a plasterer took away the plaster at the 3 patches, put in a damp proof coating and re plastered.
After 3 months, the plaster was still showing damp at 50% plus.
The plasterer then suggested having the full wall done, which I did 6 weeks ago. Now still showing 50% damp!
I am at my wits end as it is my wee girls room! What is the problem? Can anyone advise?
thanks in advance
thanks in advance
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Comments
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Have you got solid or cavity walls?0
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Is the guttering dripping down the wall?Breast Cancer Now 100 miles October 2022 100 / 100miles
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Morventoad99 said:...I used a humidifier for several months and no improvement....Hardly a surprise... You should have used a DEhumidifier
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Are you sure it’s just not marking coming through? We had that but has disappeared after 3 costs of paint and not reappeared after a year.
Also, are you using a damp meter? If so, they’re not the most reliable pieces of equipment2006 LBM £28,000+ in debt.
2021 mortgage and debt free, working part time and living the dream0
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