In most cases the stains and streaks are a form of algae commonly known as gloeocapsa magma.
How to spray a roof with cleaner.
The best way to clean a roof is to use a roof cleaning chemical and let it sit for awhile.
That ll prevent the cleaner from drying out too quickly.
Just spray it on and leave it.
Wait about 20 minutes then rinse.
Then spray the cleaner onto the shingles photo 1.
It is incredibly safe and works for all kinds of exteriors.
The spray forget roof cleaner is an eco friendly non corrosive and affordable product that does not contain any bleach or phosphates.
It will rinse off the next time it rains.
It is a superior quality maintenance free easy to use cleaner that will increase the longevity of your roof the curb appeal of your home and potentially lower your electric bill.
I mix up my cleaner in bug sprayer container and spray it all over the roof.
The solution is manufactured to take care of all kinds stain without damaging your landscaping.
This type of algae thrives in warm humid climates and usually.
If the staining is fairly light you can rinse off the cleaning solution with just a garden hose sprayer.
Here s how i do it.