Grab bars with non-circular cross sections shall have a cross-section dimension of 2 inches (51 mm) maximum and a perimeter dimension of 4 inches (102 mm) minimum and 4.8 inches (122 mm) maximum.
The space between the wall and the grab bar shall be 11/2 inches (38 mm). The space between the grab bar and projecting objects below and at the ends shall be 11/2 inches (38 mm) minimum. The space between the grab bar and projecting objects above shall be 12 inches (305 mm) minimum.
- The space between the grab bars and shower controls, shower fittings, and other grab bars above shall be permitted to be 11/2 inches (38 mm) minimum.
- For L-shaped or U-shaped grab bars complying with Section 11B-609.9 the space between the walls and the grab bar shall be 11/2 inches (38 mm) minimum for a distance of 6 inches on either side of the inside corner between two adjacent wall surfaces.