Apply a storebought or diy cleaning solution to remove the moss.
How to clean moss off asphalt shingle roof.
This keeps the solution from drying out immediately after application.
If your moss problem requires more than.
Hose off and brush all moss loose from your roof shingles.
Fill your low pressure agricultural sprayer with a specialized asphalt cleaning agent.
Soak the shingles with water.
Wear protective clothing including long sleeves pants and gloves as.
To stay safe suit up in long sleeves pants and safety goggles.
How to clean algae and moss off asphalt shingles.
The vinegar should be labeled with its acetic acid strength which shouldn t be more than 5 percent.
Stop roof algae from coming back.
Wait for a calm windless day to clean your roof.
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.
Of dish soap to help the vinegar cling to the moss and lichens.
Hose off and brush all moss loose from your roof shingles.
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.
Cleaning asphalt shingles is an important part of protecting your roof.
Bring your garden hose or water sprayer up to the roof.
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.
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 landscape plants near the house with water and cover them with tarps to protect them from chemical overspray and runoff.
Pour distilled white vinegar into a bucket.
Pour the mixture into the spray bottle.
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.
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.
Spray it across the shingles you wish to clean wait about 20 minutes then rinse them with water.