This is the best way to clean a roof if you have asphalt shingles.
How to clean a roof safely.
Once the gutters are completely free from debris the next place to work on is the downspouts.
Roof wash cleaning application.
Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof.
Never mix with other cleaning agents or bleach.
Apply to roof with garden style pump sprayer or other mechanical pump spray system or application.
Soak your cloth or sponge in the water detergent mixture.
Spray the entire dirty roof section.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Scrub problem areas with your detergent solution.
After applying product rinse the roof with a pressure washer.
Once each panel is clean rinse it immediately with clean water to prevent streaks and film.
Before applying the cleaner spray the roof with water to cool it down.
Of laundry strength liquid chlorine bleach and water.
That ll prevent the cleaner from drying out too quickly.
Mix the product with water for a 1 7 dilution ratio a gallon covers about 700 to 900 sq.
Use a pressure washer which can loosen shingles and seriously damage your roof.