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Chalky substance on wall - potential radiator leak?

Postby 04williamsl » Fri Jan 15, 2021 11:14 am

I had a white, chalky substance on one side of an interior wall. On the other side of the wall, there's a radiator (an almost floor to ceiling radiator).

The white chalk is smack bang in the middle of the radiator, but low to the ground.

I was wondering if anyone had any ideas on if this is likely a radiator pipe leaking? Radiator and pipe work has only been in for 2-3 years, wall hasn't been damaged or knocked.

Oe is it likely to be something else? Paint has only been on it for 3-4months or so. Could it be something to do with the paint?
Screenshot 2021-01-15 at 11.14.12.png
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Postby stoneyboy » Sat Jan 16, 2021 3:55 pm

Hi 04williamsl
If there are pipes in the wall at this point a leak in them is the most likely cause.
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