1 1900House Member Messages 5 Location Leeds Mar 26, 2024 #1 Anyone have any ideas was this black stain is on the bricks? Seems to correspond to some “damp” on that wall. I’ve notice black powdery stuff behind other plaster where i was noticing damp too
Anyone have any ideas was this black stain is on the bricks? Seems to correspond to some “damp” on that wall. I’ve notice black powdery stuff behind other plaster where i was noticing damp too
Toby Newell Member Messages 1,635 Location Surrey Mar 27, 2024 #2 Maybe bitumen painted on to reduce damp?