Grab Bar Dimensions

The diameter size is a best fit solution.

Grab bar dimensions.

Meaning the smaller the diameter the better suited the grab bar is for someone with a smaller hand. The majority of grab bar diameters are either 1 diameter or 1 diameter. Each grab bar shall be 24 inches 610 mm long minimum and shall be installed 24 inches 610 mm maximum from the head end wall and 12 inches 305 mm maximum from the control end wall. The most common sizes are 18 and 24 inches and are one and a half inch in diameter so it easily fits in your hand.

If you re installing a grab bar on the shower wall or next to the toilet choose one that s 24 inches. A 36 inches 915 mm minimum length grab bar mounted 33 36 inches 840 915 mm above the finish floor is required behind the water closet. Before you install it consider how you will use it. If you d like to add a second one on the same wall as the shower head it should be at least 12 inches long.

The grab bar must extend at least 12 inches 305 mm from the centerline of the water closet toward the side wall and at least 24 inches 610 mm from the centerline of the water closet toward the open side. Grab bars come in a variety of sizes some are as small as nine inches or as long as 36 inches. In addition to being offered in different lengths grab bars are also available in diameters of both 1 1 4 and 1 1 2.