How Do I Clean Black Streaks Off Roof

While the streaks do not cause a great deal of damage they can cause the shingle to age prematurely.

How do i clean black streaks off roof.

Black streaks on shingled roofs are a common though mysterious sight. Read on to find out how to remove them. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Believe it or not those black streaks only appear on roofs in certain areas of the country.

As the blue green algae. Over time this algae accumulates developing a black outer coating which causes stains on roof shingles. 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 black streaks are also known as black algae or roof mold.

While not immediately damaging they can prematurely age shingles. Technically the black streaks on roofs are a form 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. Don t buy expensive cleaners or someone s.

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. Most formulas contain chlorine bleach and or trisodium phosphate tsp and water. An internet search on how to clean black streaks on your roof will turn up several different homemade formulas as well as commercial brands for getting rid of roof algae.

While doing little harm to your shingles the black streaks caused by the algae are unsightly. 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. It s quick and easy. The black roof stains are caused by a form of algae that has been around for.

Using some cheap dollar store cleaner i show you how to remove black marks from your trailer. 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. Those that tend to be the most humid furthermore they will only appear on the north side of the roof. The algae feed off of the limestone within the roof shingles.

The streaks are caused by a type of algae known as gloeocapsa magma.