Definitions for "Slab on Grade"
A concrete slab that is less than 4 feet below the surface.
Housing construction type having a concrete slab poured directly on the ground. The foundation extends below the frost line, and the slab forms the base for the building floor.
A concrete surface lying, and supported by the ground beneath.
Keywords:  crawl, contact, soil, space, direct
Structures that have no crawl space and are in direct contact with soil.