Ant (Hotshot) gave good advice. I remember on a past post he used foam on a building exterior and asked why we didn't use foam on residential work. I had a chimney that was baked with soot at a home I washed today. The foam ate the soot away. Orange streaks slowly ran down. I didn't think it would come off but the foam did the trick & it got me a $50 tip on a $350 house wash.
Ant (Hotshot) gave good advice. I remember on a past post he used foam on a building exterior and asked why we didn't use foam on residential work. I had a chimney that was baked with soot at a home I washed today. The foam ate the soot away. Orange streaks slowly ran down. I didn't think it would come off but the foam did the trick & it got me a $50 tip on a $350 house wash.
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