This home in Olney, MD had several black streaks on their roof. These streaks are more present in humid areas, such as the DMV area. The streaks could be algae, mildew, mold, or dirt build-up, nevertheless, they make the overall appearance of the home less appealing. If you are planning to sell or are selling, then this may affect the value of your home. The images above demonstrate the quality of our work, which may be the services you are seeking for. Do not hesitate any longer and give us a call to get a FREE estimate!