5 hours
That's how long it took to clean my roof. I used Protect All Roof Cleaner and found it to be a good product. Had my roof not been so dirty, it would not have taken so long. Mildew spots were prevalent. Mopping with a sponge mop worked on all the crud except for the mold. Mold required a scrub brush, but the most of it came up too. Now I have a shiny white roof again.
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