Hello, I bought a ground floor maisonette flat and have put a mural up in the bedroom. Wall is adjacent to external wall and other side of wall is bathroom but no pipes along the wall.
The mural is like peach skin to the touch. I have white powdery mold growing on the mural, not damp to the touch. I have wiped it off and used diluted mold killer but it comes back.
It's growing in weird patterns and I don't know what's causing it.
I do have condensation form at the window each morning so this could be the cause though unsure why this pattern and why only the bottom is affected.
Any advice would be greatly appreciated. Also thank you in advance.
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