Slabjacking uses mud (mudjacking), sand (sandjacking) or Polyurethane foam (polyjacking) to raise settled concrete or redirect improper drainage. Common slabjacked surfaces include sidewalks, patios, pool decks, garage aprons, basement floors, warehouse floors or other concrete that is otherwise in good condition and free of significant structural cracks.
This warehouse floor setteled over five inches. The sheetrock is the bottom of the wall, that is still in place.