The closer you are to the roof stains the better your roof stain removal products will work.
How do i clean black streaks off roof.
Lightly scrub the shingles.
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.
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.
Here s how to clean the.
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.
How to clean roof stains wash your shingles where the sun doesn t shine.
A spray stain remover solution a scrub brush a garden house protective eyewear rubber gloves shoes with tread a bucket and a ladder.
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.
The most common culprit causing the black streaks on roofs is a blue green algae called gloeocapsa magma.
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.
It has now become a common sight on asphalt roofs across 80 of the united states.
Our soft wash roof cleaning service also removes moss lichens algae and dirt at the same time.
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.
Cleaning the entire roof is recommended for an even appearance.
Do shingles on your north west or other shaded roofs have streaky moldy stains.
Take a scrub brush.
Clean your roof on a cloudy day to prevent the cleaning solution from drying too quickly.
Discard any excess oxygen bleach solution after it has set for six hours.
This home garden how to video series shows how to clean your roof and get rid of the black.
When rain hits the strips it produces a solution that runs down the roof and keeps algae moss and fungus from growing.
Algae can be killed and the stains removed using chemical cleaners though they usually return over time.
While doing little harm to your shingles the black streaks caused by the algae are unsightly.
You will need to remove the existing algae by hand in order to eliminate the black streaking altogether.
Make your shingles last longer.
Black streaks on the north and west facing and shaded.
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.