Now, the first thing that you want to consider when it comes to hiring a professional to handle your roof cleaning in San Ramon is certain questions as in licensed and insured? Now, if you see black streaks on the roof, this means that you have started growing algae on your roof. IT is going to survive by feeding on the shingles. This is capable of delivering a lot of damages, so you need to make sure that you contact our roof cleaning in San Ramon.