Removing Dark Streaks On Roof

The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.

Removing dark streaks on roof.

Although these dark spots and ugly black streaks on your roof may look like dirt mildew soot or mold what they really are is algae. While doing little harm to your shingles the black streaks caused by the algae are unsightly. Though often attributed to an accumulation of dirt defective shingles. What are those ugly black streaks on my roof.

Technically the black streaks on roofs are a form of algae known as gloeocapsa magma. In order to remove the black streaking from your roof you will need several items. Heather stiles april 26. The most common type is known as gloeocapsa magma also known as blue green algae.

But now this black algae is termed a roof shingle algae because of the annoying discoloration on a asphalt shingle roof. These black streaks are unsightly and can diminish the appearance of the entire exterior of the home. Chlorine bleach and trisodium phosphate step 1 wet down the roof with water from the garden hose. Believe it or not those black streaks only appear on roofs in certain areas of the country.

Tim asks how can i clean the black stains off my roof and keep them from coming back your stains are probably caused by the airborne spores of a blue green algae. The black streaks are also known as black algae or roof mold. The streaks look like mold but they re actually algae colonies that form in your shingles and feed on moisture and the limestone filler agents in the shingles. Black streaks on the north and west facing and shaded areas of your asphalt shingled roof can really wreck the appearance of your home.

As the blue green algae accumulate they develop a dark hardened outer coating which results in the black stains you see. Read on to find out how to remove them. A great roof cleaning product for removing black algae stains and moss on you roof is roof resolve. Those that tend to be the most humid furthermore they will only appear on the north side of the roof.

It is important that the roof be wet when the cleaning. A spray stain remover solution a scrub brush a garden house protective eyewear rubber gloves shoes with tread a bucket and a. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. You will need to remove the existing algae by hand in order to eliminate the black streaking altogether.

If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.