How Do I Remove Black Streaks On My Roof

Bleach and chlorine are way to dangerous.

How do i remove black streaks on my roof.

Sodium hydroxide lye products on the other hand work better than bleach and are less harmful to vegetation. 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. If you don t like the streaks reshingle with algae resistant shingles. Roof algae can be easily removed by a simple roof cleaning.

Bleach may kill the top layer of algae and lighten the stains but it doesn t kill the underlying algae. In order to remove the black streaking from your roof you will need several items. 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. Your stains are probably caused by the airborne spores of a blue green algae known as gloeocapsa magma which is often mistaken for mold or mildew.

How to remove black stains from roof shingles. No pressure washers please. 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. 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.

This is something you should absolutely not do. A spray stain remover solution a scrub brush a garden house protective eyewear rubber gloves shoes with tread a bucket and a ladder. 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. 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.

Fill a large bucket with 1 gallon of hot water 1 qt. The streaks are mold forming on the roof the safest way to remove is with an roof cleaner that is safe to use and will not harm plants or animals. Of chlorine bleach and a quarter cup of. So the algae colony gets right back to work.

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. While doing little harm to your shingles the black streaks caused by the algae are unsightly. It is important that the roof be wet when the cleaning mixture is applied or it may. 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.