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Professionals spray down your roof with moss, mold and algae stain remover.
Technicians spray down your roof with moss, mold, mildew and algae stain remover. The elements (wind and rain etc) will slowly wash off the stains. Stains may take up to 6-12 months to come clean in the worst case scenarios. A second application at additional cost may assist in treating more persistent areas. Houses over 3 stories tall may incur additional costs.