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
Why is the slab damp? Carpet, is rarely a good solution over concrete.
There are insulated subfloor panels that can be used as well to have a finished floor installed over top.