Bring your garden hose or water sprayer up to the roof.
How to clean an asphalt shingle roof.
Getting shingles clean 1.
Black streaks on the north and west facing and shaded.
This keeps the solution from drying out immediately after application.
Pour the cleaning agent into a spraying device.
Do shingles on your north west or other shaded roofs have streaky moldy stains.
Of laundry strength liquid chlorine bleach and water.
This is the best way to clean a roof if you have asphalt shingles.
Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
Wash the solution off the roof with your garden hose fitted with the sprayer.
You cannot effectively clean asphalt shingles with just soap and water.
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.
Fill a low pressure agricultural sprayer or a pump up garden sprayer.
Choose your cleaning agent.
Simple cover your plants just as painters do.
Soak the shingles with water.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
How to clean roof stains wash your shingles where the sun doesn t shine.
Make your shingles last longer.
Starting from the bottom carefully wet the shingles.
The most effective method of cleaning algae and moss from a roof is w ith a 50 50 mix of laundry strength liquid chlorine bleach and w ater.