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To clean moss stains from an asphalt shingle roof, use a brush to scrape the moss off of the shingles, and then spray the roof with a mixture of half water and half bleach. Avoid using a pressure washer to apply the mixt... More »

Good asphalt roof shingles include those manufactured by CertainTeed, Owens Corning and Gaf. The best asphalt roof shingle option depends on the type of roof and the place where the house is located geographically. Good ... More »

Moss growing on an asphalt roofing shingle is cause for concern because it can cause shingle wear and premature roof deterioration. A moss covering traps moisture, which causes increased frost damage, cracking and wear. More »

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A mixture of Clorox chlorine bleach, trisodium phosphate and water can be used to clean asphalt shingles. The trisodium phosphate allows the bleach to work more efficiently, but if it's not available, a non-ammonia based... More »

Spraying a mixture of one part bleach and one part water on a roof kills moss. Plants around the perimeter of the house should be sprayed with water before spraying the mixture. This helps protect them from bleach that r... More »

To remove moss from a roof, spray a mixture of equal parts bleach and water throughout the roof using a garden sprayer. Install zinc strips across the length of the roof to prevent moss growth. More »

Remove moss from the roof with a long-handled scrub brush, a mixture of bleach and water, or a commercial roof cleaner. Another common method is to use a power washer, but this is not recommended, as it can damage the sh... More »