I had my basement ceiling (unfinished wood trusses, etc.) spray painted black a month ago. I am still getting a fine layer of black soot on the horizontal surfaces. What is causing this and how do I fix it?
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I had my basement ceiling (unfinished wood trusses, etc.) spray painted black a month ago. I am still getting a fine layer of black soot on the horizontal surfaces. What is causing this and how do I fix it?