How To Clean Bio-Growth From Your Metal Roof: Algae, Pollen, Lichen

How do you safely clean bio-growth such as algae, lichen, pollen, and sap from a painted metal or wall?


Bio-growth like moss, algae, and lichen can make a beautiful metal roofing system look old and, in some cases, even hold moisture. In this video, Paul Watts from Watts Removal Products joins Thad Barnette to demonstrate how to use their Crossover® product to clean off these natural contaminants from a metal roof and restore its paint system’s original luster.

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