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Roof leak or condensation causing full length water marks?

Posted: Tue Jan 26, 2021 11:19 am
by paulthelandlord
I have full length water marks appearing on the plaster at the top of a chimney breast on both sides. The old fires have been closed up and the chimney has been flaunched, there is a side vent on the chimney at roof level but no internal vents. Is this likely to be a roof leak (i.e. failed flashing) or condensation? I seem to be getting differing views.

Re: Roof leak or condensation causing full length water marks?

Posted: Tue Jan 26, 2021 10:49 pm
by stoneyboy
Hi Paulthelandlord
Most likely to be water from above but not possible to define the cause from your images.
Regards S

Re: Roof leak or condensation causing full length water marks?

Posted: Wed Jan 27, 2021 8:36 am
by paulthelandlord
stoneyboy wrote:Hi Paulthelandlord
Most likely to be water from above but not possible to define the cause from your images.
Regards S


Appreciate the reply Stoneyboy.