What are the Black Streaks on My Roof?
What Are The Black Streaks On My Roof? Have you ever asked yourself, “What are the black streaks on my roof?” Black streaks on your roof indicate the presence of algae known as Gloeocapsa magma. While it can be displeasing to look at, Gloeocapsa magma can impact your roof far beyond its aesthetics. Here’s why: …