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
You can and you should replace your existing windows with new construction windows because that is the best method. A "replacement" window is really designed for an older home where the window sashes ... read more