Scrub from the bottom of the panel upward in a left to right back and forth fashion.
How to clean a roof safely.
Never mix with other cleaning agents or bleach.
Of laundry strength liquid chlorine bleach and water.
That ll prevent the cleaner from drying out too quickly.
This is the best way to clean a roof if you have asphalt shingles.
Apply to roof with garden style pump sprayer or other mechanical pump spray system or application.
Roof wash cleaning application.
Use a pressure washer which can loosen shingles and seriously damage your roof.
Once the gutters are completely free from debris the next place to work on is the downspouts.
Soak your cloth or sponge in the water detergent mixture.
Once each panel is clean rinse it immediately with clean water to prevent streaks and film.
Using a water hose focus on the downspout at full pressure and run the water through it to flush down all debris from the downspout.
Before applying the cleaner spray the roof with water to cool it down.
Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof.
Scrub problem areas with your detergent solution.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
If the downspout has been clogged by debris the water will not run through.