How Do I Clean Black Streaks Off Roof

What are the black streaks on my roof.

How do i clean black streaks off roof.

While doing little harm to your shingles the black streaks caused by the algae are unsightly. 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. Here s what they are and what to do about them. The black streaks running down roofs are actually a hardy algae called gloeocapsa magma.

The streaks are caused by a type of algae known as gloeocapsa magma. Black streaks on the north and west facing and shaded areas of your asphalt shingled roof can really wreck the appearance of your home. Over time this algae accumulates developing a black outer coating which causes stains on roof shingles. Black streaks on shingled roofs are a common though mysterious sight.

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Many home owners are surprised to discover that the once clean asphalt roof shingles have been slowly covered with a form of roof mold or mildew that appears as a light discoloration and spreads down the roof toward the gutters. The algae feed off of the limestone within the roof shingles. While not immediately damaging they can prematurely age shingles.

Those that tend to be the most humid furthermore they will only appear on the north side of the roof. Technically the black streaks on roofs are a form of algae known as gloeocapsa magma. While the streaks do not cause a great deal of damage they can cause the shingle to age prematurely. Read on to find out how to remove them.

It s quick and easy. Believe it or not those black streaks only appear on roofs in certain areas of the country. 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.

Most formulas contain chlorine bleach and or trisodium phosphate tsp and water. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. The black roof stains are caused by a form of algae that has been around for. Copper tubing might work but copper strips would be a better solution to prevent black algae stains of roofs since the strips lay flat with the roof to prevent water and debris from backing up and provide more surface area for the copper molecules to wash off.

Don t buy expensive cleaners or someone s.