1. The Ugly black Streaks on my roof

1. The Ugly black Streaks on my roof

Tell it to me straight Doc: what are the black streaks on my roof and how do I get them off?

Is it an unsightly black stain on your roof that just won’t go away?

What is that black crap on my roof?

If yes, then this is a common problem for homeowners, and it’s caused by a type of algae called Gloeocapsa Magma. This algae thrives in warm and humid environments and feeds on the limestone filler commonly found in asphalt shingles. If left untreated, it can cause damage to your roof and lead to premature aging and deterioration. In this article, we’ll explore what this black crap is on your roof and how we can help. We will also give tips to prevent it from coming back.