taping roof
hHow clean is clean? I have scraped it with a a scraper, wire brushed the residue left sticking to the joint. There is still a thin layer of sticky black residue left from the wire brushing on parts....
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I use denatured alcohol and can be bought in one gallon cans at Home Depot, Lowes, or any hardware store. It cleans good, evaporates quickly, and is a mild enough solvent that it does not harm paint surfaces.
