Black Streaks On My Roof

Once the algae have infested your roof you ll see black spots begin to form.

Black streaks on my roof.

Algae may be mistaken for soot dirt or tree droppings most of which typically produce only localized discoloration. While not immediately damaging they can prematurely age shingles. What are the black streaks on my roof. Algae growth on asphalt shingles.

The black streaks running down roofs are actually a hardy algae called gloeocapsa magma. You ll typically see gloeocapsa magma forming on areas of your roof that don t receive direct sunlight. The algae feed off of the limestone within the roof shingles. The streaks are caused by a type of algae known as gloeocapsa magma.

Technically the black streaks on roofs are a form of algae known as gloeocapsa magma. Here s what they are and what to do about them. Those that tend to be the most humid furthermore they will only appear on the north side of the roof. Black streaks on shingled roofs are a common though mysterious sight.

A roofing contractor just tried to sell me a new roof for 10 700. I tried this product on the north side of my roof about two months ago. My new owemins corning roof started turning black from original grey color 5 years ago. Algae growth may cause discoloration on roofs resulting in brown or black streaks on a rooftop.

The most common type is known as gloeocapsa magma also known as blue green algae. What are those ugly black streaks on my roof. Black streaks on the north and west facing and shaded areas of your asphalt shingled roof can really wreck the appearance of your home. While the streaks do not cause a great deal of damage they can cause the shingle to age prematurely.

As the blue green algae. 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. 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. The black streaks are also known as black algae or roof mold.

Why you re seeing black spots or streaks. Roof is now 8 years old. Over time this algae accumulates developing a black outer coating which causes stains on roof shingles. The black roof stains are caused by a form of algae that has been around for.

Believe it or not those black streaks only appear on roofs in certain areas of the country. Why are there dark streaks on my roof. When the algae become airborne they travel from roof to roof.