DIY Doctor

Wet patches on external walls of flats with condensation issues

Postby Juliancr » Fri Feb 19, 2021 1:01 am

Hi,

We have a history of ‘condensation’ issues in our flats however when looking outside after rain I noticed several damp patches across the wall rendering.

See below.

Any thoughts? Could this be penetrating damp? If so how can this be resolved?

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Juliancr
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Postby stoneyboy » Sat Feb 20, 2021 9:49 pm

Hi Juliancr
If you have solid walls then yes. If they are cavity walls it’s unlikely.
Regards S
stoneyboy
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