By Kevin Mickels
(Inspection Consulting, Inc.)
Walkways and Driveway In theory, concrete is poured over undisturbed earth, but when a house is built the driveway and walkway areas are often filled after the foundations are constructed. Driveways and walkways are frequently cracked and vulnerable to settlement. Patching is generally cosmetically unacceptable. Hence most contractors encourage replacement of badly settled sections. The most prudent property owner will strive to eliminate trip hazards, particularly in areas guests will use.