But now this black algae is termed a roof shingle algae because of the annoying discoloration on a asphalt shingle roof.
How to remove black streaks from roof.
Be sure to have a friend or family member with you to ensure that you are safe while your climb up and work on your roof.
Spray a generous amount of the cleaning solution onto the black areas of the roof shingles.
Most formulas contain chlorine bleach and or trisodium phosphate tsp and water.
How to properly remove black streaks from your roof the correct method of attacking gloeocapsa magna is with low pressure or non pressure washing using a special solution that includes sodium hydrochlorite and copper sulfate.
Step 4 allow the mixture to sit on the shingles for 15 minutes then rinse the roof well with water from the garden hose.
An internet search on how to clean black streaks on your roof will turn up several different homemade formulas as well as commercial brands for getting rid of roof algae.
You ve probably seen unsightly dark streaks on asphalt shingle roofs.
When rain hits the strips it produces a solution that runs down the roof and keeps algae moss and fungus from growing.
Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof.
The solution almost immediately kills the bacteria and washes away the stains.
That ll prevent the cleaner from drying out too quickly.
Spray wash the roof with a 50 mix of water and bleach to get rid of the algae.
The black roof stains are caused by a form of algae that has been around for years typically found in the woods on the north side of trees or on exposed rocks.
Sam may 6 2012 at 9 08 am.
In order to remove the black streaking from your roof you will need several items.
To remove the algae from asphalt shingles you have a few options.
A spray stain remover solution a scrub brush a garden house protective eyewear rubber gloves shoes with tread a bucket and a ladder.
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.
You could use regular household bleach to remove the algae from your roof.
Before applying the cleaner spray the roof with water to cool it down.
Find out how to remove unsightly black stains from asphalt shingle roofs caused by an algae known as gloeocapsa magma that is spread by airborne spores.
Then spray the cleaner onto the shingles photo 1.