Generally a 16 in grab bar or a grab bar that is a multiple of 16 16 in 32 in or 48 in works best.
Toilet grab bar mounting height.
However ada standards recommend that rear grab bars be installed at the height of between 33 and 36 inches above the finished floor of the tub shower or bathroom.
For horizontal grab bars the ada standards require a height between 33 and 36 inches from the finished floor of the bathroom shower or tub.
Normally grab bars that are fastened to the wall by a toilet are placed at a height of 33 to 36 inches that s 840 to 915 mm.
The toilet paper dispenser shall be mounted below the grab bar at a minimum height of 19 inches 485 mm.
In most cases studs are located 16 inches apart on center.
The toilet paper dispenser shall be mounted below the grab bar at a minimum height of 19 inches 485 mm.
If toilet paper dispensers are installed above the side wall grab bar the outlet of the toilet paper dispenser must be 48 inches 1220 mm maximum above the finish floor and the top of the gripping surface of the grab bar must be 33 inches 840 mm minimum and 36 inches 915 mm maximum above the finish floor.
Ada specifies that grab bars must be positioned between 33 and 36 inches above the floor so centering the.
Measure up from the floor 34 5 inches and make a mark on the rear wall at this height.
Always attach grab bars to studs or use secure mounting anchors the manufacturer recommends.
Figure 604 7 dispenser outlet location.
A 42 inches 1065 mm minimum length grab bar is required on the side wall spaced a maximum of 12 inches 305 mm from the back wall and extending a minimum of 54 inches 1370 mm from the back wall at a height of 33 36 inches 840 915 mm.
It is helpful to use this range as a guide for placement but the most important part is selecting a height that feels comfortable and secure for the person using them.
Generally grab bars should be installed at whatever height is most appropriate for their primary user.
This is a good starting range.
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.
My recommendation is if it s possible to test it by simulating it with the elderly person who will be using it.