This will prevent the solution from draining in your direction.
How to keep mold from growing on roof.
Prevent roof mold algae.
Trim trees near the home.
Here are a few effective ways to prevent future growth once you have gotten rid of mold and algae.
If you put up a ridge vent a metal ridge vent that s made of nickel or copper what s going to happen is every time it rains some of that metal gets released and runs down the roof and acts as a mildicide and keeps the roof from building up moss.
But you can prevent growth.
Spray the entire roof thoroughly.
Start on lowest row of shingles and work your way backwards to the upper part of the roof.
Make sure to plant trees far enough away.
With regular cleanings you can get rid of the algae before it even becomes an issue and definitely before it gives way to rot mold and mildew.
Roof mold and algae usually grow because of moisture and bacterial growth.
You can t prevent spores of algae and moss or mildew from landing on your roof.