If the streaks don t bother you or you re not ready to invest in a new roof install zinc or copper strips available at roofing centers along the top course of shingles.
How to remove black streaks from roof.
The closer you are to the roof stains the better your roof stain removal products will work.
So black stains on roofs can be removed just choose a quality roof cleaner product or your local roof cleaning professional and make your roof look better.
Our professionally roof cleaning technicians utilize our specially formulated cleaners applied at very low pressure to kill the bacteria that cause black streaks and eliminate the staining from your roof.
To remove the algae from asphalt shingles you have a few options.
Spray wash the roof with a 50 mix of water and bleach to get rid of the algae.
No pressure washers please.
Our soft wash roof cleaning service also removes moss lichens algae and dirt at the same time.
The solution almost immediately kills the bacteria and washes away the stains.
You could use regular household bleach to remove the algae from your roof.
When rain hits the strips it produces a solution that runs down the roof and keeps algae moss and fungus from growing.
Another treatment for avoiding the black streaks is to install zinc metal strips at the top of your roof near the ridge caps above the algae prone areas.