Pelican Exterior Cleaning, Inc. is a certified Florida, exterior cleaning company based in Pensacola, Florida. Services we offer include soft washing and pressure washing. We carry a verifiable $1,000,000 per occurrence, liability insurance policy. We are a family owned small business with a combined total of 20yrs experience. We specialize in Soft Wash roof cleaning. We can make a dirty roof that has black stains or streaks, moss, or lichens on it look new again. The black stains or streaks on a roof are an airborne algae known as Gloeocapsa Magma that has landed on your roof and colonized. For more information regarding Gloeocapsa Magma please visit our website article: http://www.pelicanexteriorcleaning.com/srv-ctr/content.php?11-black-stains-and-streaks-on-my-roof Call: 850 542-0057