Lightly scrub the shingles.
How do i get the brown streaks off my roof.
The oxygen bleach starts to go ahead and attack the roof algae and it does its best to kill it and take away the stains.
Before applying the cleaner spray the roof with water to cool it down.
What is roof algae.
Algae may be mistaken for soot dirt or tree droppings most of which typically produce only localized discoloration.
Algae growth may cause discoloration on roofs resulting in brown or black streaks on a rooftop.
Algae growth on asphalt shingles.
How to get rid of algae on the roof.
That ll prevent the cleaner from drying out too quickly.
Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.
Why are there dark streaks on my roof.
Take a scrub brush.
Then spray the cleaner onto the shingles photo 1.