Sagging or cupping floors can suggest failing flooring joists or weakened foundation supports. Higher humidity, inadequate drainage units, or shifting products could potentially cause flooring to be uneven, bringing about protection hazards. Concrete slab garage floors, driveways, and foundations are typically 6 inches thick and require wire mesh or rebar https://www.google.com/maps/d/u/0/edit?mid=1Lpz-Ry8sE-dK-g2lbswKo1tx30jW6Sw&usp=sharing