How Do I Clean Black Streaks Off Roof

You will need to remove the existing algae by hand in order to eliminate the black streaking altogether.
How do i clean black streaks off 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. Discard any excess oxygen bleach solution after it has set for six hours. The closer you are to the roof stains the better your roof stain removal products will work. Do shingles on your north west or other shaded roofs have streaky moldy stains.
While doing little harm to your shingles the black streaks caused by the algae are unsightly. Take a scrub brush. You can choose to clean only the black areas of the shingles but this may leave an uneven color to the roof. Algae can be killed and the stains removed using chemical cleaners though they usually return over time.
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. Clean your roof on a cloudy day to prevent the cleaning solution from drying too quickly. A spray stain remover solution a scrub brush a garden house protective eyewear rubber gloves shoes with tread a bucket and a ladder. Black streaks on the north and west facing and shaded.
This home garden how to video series shows how to clean your roof and get rid of the black. Here s how to clean the. It has now become a common sight on asphalt roofs across 80 of the united states. Make your shingles last longer.
So black stains on roofs can be removed just choose a quality roof cleaner product or your local roof cleaning professional and make your roof look better. How to clean roof stains wash your shingles where the sun doesn t shine. Cleaning the entire roof is recommended for an even appearance. What you do is put it into a pump sprayer spray it on the roof and you need to keep the roof wet with the solution for about 10 or 15 minutes.
The most common culprit causing the black streaks on roofs is a blue green algae called gloeocapsa magma. In order to remove the black streaking from your roof you will need several items. Our soft wash roof cleaning service also removes moss lichens algae and dirt at the same time. 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.
Over the past 25 years this strain of algae has become more hardy and has migrated to less humid environments. Our professionally roof cleaning technicians utilize our specially formulated cleaners applied at very low pressure to kill the bacteria that cause black streaks and eliminate the staining from your roof.