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