 that can help get rid of those black streaks on this new roof. Yeah, I'll give you a couple of ideas. First off, there's a roof cleaner called Spray and Forget that works very well. You apply it to the roof, and it kind of goes to town right away, working on a wide variety of stains. It might take a month or more, but they will disappear. The second thing that you can do is you can take, if you feel up for this or want to have a contractor do it,