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.
Treatment for moss on roof shingles.
Hose off and brush all moss loose from your roof shingles.
Apply a storebought or diy cleaning solution to remove the moss.
Dispense the moss killer in lines about 2 feet apart parallel to the roof ridge.
Maintain a consistent flow of moss killer down the line.
Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
It may cause standing water.
To apply dry powder moss killer place an extension ladder against the house and climb to the roof.
If your moss problem requires more than.
This is oof cleaning products which should be left to absorb into the moss for at least 20 minutes will not evaporate as quickly as they would on sunny days.
Run the water for a moment until the moss killer begins to flow out.
Moss can be removed physically with water and a stiff brush on a pole or a scrub brush chemically or a bit of both.
Hose off and brush all moss loose from your roof shingles.
To apply wet moss killer attach the garden hose to the container.
If the moss does return do not rely on harsh chemical treatments or dry spells to kill it.
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.
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.
Chemical treatments may harm shingles as well as moss creating a more significant problem.
Sweep or hose off leaves branches and any other debris that accumulates on the roof regularly to avoid retaining.
How to kill moss growth on roof shingles 1.
Carefully place a ladder near the area of moss.