WebDark black or brown roof shingle stains are often caused by black algae, bleed-through or extractive bleeding of asphalt, dirt, soot, or organic debris. But there are other roof stain colors and causes. ... Black streaks on … WebJan 3, 2024 · Algae is a type of fungus that’s typically a blackish-green color, and it’s attracted to moisture. If not dealt with quickly, algae can eat away at your shingles. …
The early stages of shingles: Signs and symptoms
WebEven though roof streaking is caused by what’s called blue-green algae ( cyanobacteria ), the streaks are black due to the dark-pigmented sheath that algae uses to protect itself from the sun’s rays. Algae can easily spread in the right conditions: Wind can carry algae spores from roof to roof. Hot and humid conditions promote algae growth. WebNov 2, 2024 · Those dark streaks that you find discoloring your shingles are a type of algae. Algae in general thrives in areas where there is moisture. Which means you will typically find it on the part of your roof that faces North, as that is the side of the house that tends to see the least amount of direct sunlight. lowside quarter parish council
Prevent and Clean Black Streaking on Roofs DoItYourself.com
WebDark streaks. Airborne algae cause dark streaks on roof decks. While this may not necessarily harm the roof shingles, it may not look good. Moss can grow on roof surfaces that don’t get much sunlight, especially in cool, moist climates. Moss growth can be more than a cosmetic issue. WebNov 29, 2024 · The black streaks running down roofs are actually a hardy algae called Gloeocapsa magma. As the blue-green algae accumulate, they develop a dark, hardened outer coating, which results in the black stains you see. The algae feed on … WebAug 20, 2024 · Symptoms. Shingles. Shingles symptoms usually affect only a small section on one side of your body. These symptoms may include: Pain, burning or tingling. Sensitivity to touch. A red rash that begins a few days after the pain. Fluid-filled blisters that break open and crust over. Itching. jayco hitch height