Hello
I have damp in a bedroom wall with an external chimney breast behind it. A friend suggested it could be coming in through the chimney crown. Took a look & it seems solid but looks damp.
I want to seal it with a coat of something but what?
Thanks
I have damp in a bedroom wall with an external chimney breast behind it. A friend suggested it could be coming in through the chimney crown. Took a look & it seems solid but looks damp.
I want to seal it with a coat of something but what?
Thanks