Check the frequency and depths of the control joints/sawcuts they installed for your driveway. They all are subject to industry standards. A driveway that is 4" thick should have control joint/sawcu ... 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?
Using the information you have provided and not visually inspecting the roof, the black spots on your roof are more than likely algae. Most shingle manufacturers use copper or zinc coated granules t ... read more