How Do I Remove Black Streaks On My Roof

Algae can be killed and the stains removed using chemical cleaners though they usually return over time.

How do i remove black streaks on my roof.

Bleach may kill the top layer of algae and lighten the stains but it doesn t kill the underlying algae. While doing little harm to your shingles the black streaks caused by the algae are unsightly. Roof algae can be easily removed by a simple roof cleaning. Bleach and chlorine are way to dangerous.

A spray stain remover solution a scrub brush a garden house protective eyewear rubber gloves shoes with tread a bucket and a ladder. 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. 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.

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. No pressure washers please. 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 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.

It is important that the roof be wet when the cleaning mixture is applied or it may. If you don t like the streaks reshingle with algae resistant shingles. Sodium hydroxide lye products on the other hand work better than bleach and are less harmful to vegetation. 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.

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. Wet down the roof with water from the garden hose. Of chlorine bleach and a quarter cup of. How to remove black stains from roof shingles.

Fill a large bucket with 1 gallon of hot water 1 qt. So the algae colony gets right back to work. This is something you should absolutely not do. How do you get rid of black streaks on your roof.