Black Mold or Something Else?
Greetings, I was replacing a roof vent and see the Styrofoam in the rough opening is black. It's either pretty bad (thick) or something else (do they use a Styrofoam sealant at the opening?) . I...
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Looks like that flex seal or rubber spray some sort.
Definitely not black mold .I see black mold all the the time
Definitely not black mold .I see black mold all the the time
