Black Mold On Roof Shingles

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

Black mold on roof shingles.

Stained shingles take away from the overall neat appearance of the exterior of the home. The black roof stains are caused by a form of algae that has been around for years typically found in the woods on. No one likes having to buy a new roof much sooner than anticipated. You clean it and it returns year after year.

You can successfully clean shingles by using oxygen bleach. Granted some of it could be mold but what is spreading like wildfire is gleocapsa magma. I am really disappointed the treated shingles didn t work. 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.

I covered our asphalt shingle roof about five years ago with white 50 year guaranteed shingles that had algae prevention treatment but now the entire north side of our roof is black with algae i bought the shingles from lowe s in marianna florida. Roof shingles become dirty over time. Black mold on asphalt shingles is ugly. In hot and humid climates like tampa algae growth on asphalt shingles can be a real problem.

Mold stains can form on roof shingles that are in permanent shade. What are those ugly black streaks on my roof. They are exposed to wind rain and other weather elements that not only cause dirt to form on the shingles but also mold and mildew. 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 streaks are also known as black algae or roof mold. These stains will discolor your roof and damage the shingles over a period of time if left alone. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. The most common type is known as gloeocapsa magma also known as blue green algae.

Black mold stains streaks and clumps of moss growing on the roof look unsightly. Here s why algae grows on roofs. In reality what you are seeing is not black mold but a bacteria that is called gloeocapsa magma. You may also worry that mold growth will harm your asphalt shingles and reduce the roof s lifespan.