In order to remove the black streaking from your roof you will need several items.
How do i remove black streaks on my roof.
So the algae colony gets right back to work.
Algae can be killed and the stains removed using chemical cleaners though they usually return over time.
How to remove black stains from roof shingles.
How do you get rid of black streaks on your roof.
Use a cleaner specially made for killing algae or by spraying a mixture of one part bleach to four parts water with tsp trisodium phosphate or.
Wet down the roof with water from the garden hose.
This is something you should absolutely not do.
Bleach may kill the top layer of algae and lighten the stains but it doesn t kill the underlying algae.
A spray stain remover solution a scrub brush a garden house protective eyewear rubber gloves shoes with tread a bucket and a ladder.
Bleach and chlorine are way to dangerous.
Roof algae can be easily removed by a simple roof cleaning.
The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.
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.
The important thing to know is that while an occasional cleaning shouldn t harm your roof doing it yourself may void any roof warranties or homeowner insurance policies you may have.
Fill a large bucket with 1 gallon of hot water 1 qt.
While doing little harm to your shingles the black streaks caused by the algae are unsightly.
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.
The wrong way to remove black streaks from your roof there is a temptation among homeowners to try to address gloeocapsa magna with power washing.
No pressure washers please.
They re likely to damage the shingles just be sure to wet your foundation plantings first and rinse everything in clean water when you re done.
Sodium hydroxide lye products on the other hand work better than bleach and are less harmful to vegetation.
Of chlorine bleach and a quarter cup of.
If you don t like the streaks reshingle with algae resistant shingles.
How to prevent black streaks roof mold if you ve already removed the algae from your roof once and you want to make sure you don t get it again or if you re building a new house and you want to make sure that your roof doesn t get those black streaks from algae there are 2 things you can do to prevent the algae from forming.