Like everyone else has mentioned you have to do your due diligence in securing a high quality contractor. However, you the client may want to switch the context of the question. If you are implying th ... read more
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