Wait about 20 minutes then rinse off the shingles with your garden hose use the most powerful spray setting available.
How to clean roof shingles.
Bring your garden hose or water sprayer up to the roof.
How to clean roof stains wash your shingles where the sun doesn t shine.
Allow the solution to soak into the shingles for at least 15 minutes.
Mix your cleaning solution.
Of laundry strength liquid chlorine bleach and water.
Cleaning moss and algae 1.
Then spray your cleaner onto your shingles in a smooth even coat.
Next rinse the shingles thoroughly with a garden hose at low pressure.
How to clean roof shingles.
Read on for our best roof cleaning tips.
Do shingles on your north west or other shaded roofs have streaky moldy stains.
Spray your cleaning solution.
Start from the top shingle and rinse downward to prevent water seepage.
Starting from the bottom.
This is the best way to clean a roof if you have asphalt shingles.
If they are severely molded you may want to give it a little longer.
Soak the shingles with water.
Here s how to clean the.
While specialized eco friendly roof cleaners are available they are a little more.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Spray the cleaner on a section of roof and let it sit for about 15 minutes.
Mix the hot water bleach and detergent and pour into the garden sprayer.
Scrub the wet section of the roof.
Black streaks on the north and west facing and shaded.
Use your garden hose and spray your roof with a coat of water to cool it down and prevent the cleaner from drying too quickly.