About 40% of residents in assisted-living facilities came from an acute-care hospital or a short-stay nursing facility, according to the Association for Long-Term Care Insurance.
Kitchen islands tend to have more variable dimensions. (Max Burnside/Demand Media). Standard Base Cabinets. The standard width of a kitchen countertop from the wall to the edge of the counter is 25 1/2 inches, though some are 25 5/16 inches. The standard allows for a 1 1/2-inch overhang over 24-inch-deep base cabinets.
The countertop rests on a base of Â½-inch-thick cement board, enabling you to keep the concrete 1 inch thick except at the edges, which are just deep enough to hide the cement board. The result is a normal-height countertop that's easily supported by standard cabinets.