I use Spray it and Forget it on my camp roof up N. Works great. I plan to spray it on my roof here. Spray it with a pump pressure sprayer. It works for about 3-5 years. I also use it on my asphalt driveway up N for mold and moss removal. Works great--driveway looks like brand new. Before I used it I had all kinds of moss and mold growing on my roof and driveway. Totally cured it.
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"I am a great believer in luck, and I find that the harder I work, the more I have of it." -Thomas Jefferson
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