Black Mold On Asphalt Shingles

The black roof stains are caused by a form of algae that has been around for years typically found in the woods on.

Black mold on asphalt shingles.

These stains will discolor your roof and damage the shingles over a period of time if left alone. 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. Here s why algae grows on roofs. You may also worry that mold growth will harm your asphalt shingles and reduce the roof s lifespan.

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Technically the black streaks on roofs are a form of algae known as gloeocapsa magma. As the blue green algae accumulate they develop a dark hardened outer coating which results in the black stains you see. In reality what you are seeing is not black mold but a bacteria that is called gloeocapsa magma.

Mold stains can form on roof shingles that are in permanent shade. You can expect to pay about 90 per square. In hot and humid climates like tampa algae growth on asphalt shingles can be a real problem. You clean it and it returns year after year.

The black streaks running down roofs are actually a hardy algae called gloeocapsa magma. The black streaks are also known as black algae or roof mold. Asphalt shingles tend to be the least expensive of any type and they are widely available. 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.

The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. You can also opt for the three tab shingle to save up to 50 on the cost. If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs. Though often attributed to an accumulation of dirt defective shingles mold or mildew.

The algae feed on the limestone in shingles. Then you ll get a roof life of somewhere between 15 to 30 years. No one likes having to buy a new roof much sooner than anticipated. If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.

Black roof shingles are typically waterproof. The most common culprit is actually a blue green algae known as gloeocapsa magma that is spread by airborne spores. Black streaks on the north and west facing and shaded areas of your asphalt shingled roof can really wreck the appearance of your home. Black mold on asphalt shingles is ugly.