Use an extra long paint stirrer or.
Roof algae bleach.
Rainwater and runoff adhere to this residue eventually escalating the very moss and algae.
Which is exactly why you want to remove moss in the first place.
It s really that simple.
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.
Moss and algae breakdown these protective layers shortening the lifespan of your roof.
No pressure washers please.
Fill the reservoir on a garden sprayer with the cleaning solution.
This creates a false foundation underneath the shingles of your roof.
The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.
They re likely to damage the shingles just be sure to wet your foundation plantings first and rinse everything in clean water when you re done.
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.
Take a scrub brush lightly scrub the shingles.
How to use bleach to clean a shingle roof.
Roof cleaning using chemicals like chlorine bleach and tsp trisodium phosphate as a cheap roof cleaning spray to make your shingles look new again is not advisable.
It does its best to kill it and take away the stains.
Bleach and other detergents however do the same thing.
Chlorine bleach also known as sodium hypochlorite or sh is not meant to be a roof cleaning chemical because it kills surface algae but can not penetrate the roof shingle granules to remove black mold root structures.
The oxygen bleach starts to go ahead and attack the roof algae.
Pour the contents directly from the.
Apply more solution if you have to to get a nice workable solution.
Roof stains return in as few as 9 months and the roof mold is worse than before.