Chris Plastow
Spray the wet area and 1 m in each direction with siloxane silicone liquid. After this it will be clear if it is only rain water penetration or hygroscopic dampness , which it appears to be.
live in a victorian semi have a problem with damp outside front northf
Posted by chris carnaby, on
live in a victorian semi have a problem with damp outside front northfacing corner has a large wet patch which seems to be spreading has been repointed
