How To Clean Moss Off Asphalt Shingle Roof

Hose off and brush all moss loose from your roof shingles.

How to clean moss off asphalt shingle roof.

The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water. Pour distilled white vinegar into a bucket. That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles. Spray it across the shingles you wish to clean wait about 20 minutes then rinse them with water.

If your moss problem requires more than. Apply a storebought or diy cleaning solution to remove the moss. To clean either algae or moss the association recommends putting on protective gear and protecting plants spraying with a 50 50 mix of household bleach and water allowing that to sit for at. How to clean algae and moss off asphalt shingles.

Bring your garden hose or water sprayer up to the roof. Of dish soap to help the vinegar cling to the moss and lichens. To stay safe suit up in long sleeves pants and safety goggles. Fill your low pressure agricultural sprayer with a specialized asphalt cleaning agent.

Soak the shingles with water. Wait for a calm windless day to clean your roof. This keeps the solution from drying out immediately after application. A homemade cleaner of one part liquid chlorine bleach to one part of water can also be effective in removing and killing moss that clings to the roof tiles.

Apply with a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water. Spray landscape plants near the house with water and cover them with tarps to protect them from chemical overspray and runoff. Apply liquid cleaners with a hand pump sprayer or with a pressure washer on the lowest setting so as not to cause any damage to the shingles. Carefully place a ladder near the area of moss.

Starting from the bottom carefully wet the shingles. To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather. Wear protective clothing including long sleeves pants and gloves as. Stop roof algae from coming back.

The vinegar should be labeled with its acetic acid strength which shouldn t be more than 5 percent.