Q: What causes the black streaks on my roof and how do I get rid of them? My roof shingles have long, black streaks running down them. What caused this to happen? How can I get rid of them? Can I prevent them? Posted in Outdoors on Oct 15, 2009
My roof shingles have long, black streaks running down them. What caused this to happen? How can I get rid of them? Can I prevent them?
Jose Gonzales Butler, IN