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Answers from contractors near Chantilly, VA

black spots on the roof. can you tell me what is the cause of this? have lived in this house 12 years and have had no problems. what can you do to clean this?
Over a period of time, shingles may develop dark brown or black streaks that are sometimes mistaken for soot, dirt, moss or tree droppings.  In actuality, this discoloration may be caused by algae gro ... read more
Is it time to replace my roof?
You may be asking yourself, “What can I expect my roof to look like as this agingprocess takes place?” One or more of the following conditions may occur over time:Curling: As the asphalt hardens over ... read more

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