For the entire set of ada guidelines visit the ada regulations.
Ada shower bench dimensions.
The side edge of the seat shall be 1 1 2 inches maximum from the adjacent wall.
Bariatric bench style seats with swing down legs are rated for a maximum of 1500 lbs.
Bench style shower seats are rated for a maximum of 900 lbs.
This way you ll have plenty of space to sit comfortably but not too much so you struggle to get up.
The bench shall provide for back support or shall be affixed to a wall.
Of course the actual in use load bearing capacity of any shower seat will be limited by the strength of its mounting surface and installation hardware.
The architect is given a 10 inch leeway to place the controls.
The rear edge of a rectangular bench seat shall be 2 1 2 inches maximum and the front edge between 15 16 inches from the seat wall.
The minimum height for the shower controls area is 38 inches above the floor.
As long as the controls are within 38 to 48 inches off the floor the stall is in compliance.
Alternate roll in type shower compartments shall be 36 inches 915 mm wide and 60 inches 1525 mm deep minimum clear inside dimensions measured at center points of opposing sides.
Compact bench style shower seats are rated for a maximum of 250 lbs.
According to ada the depth of the shower bench should be between 15 and 16 inches.
Benches shall have seats that are 42 inches 1065 mm long minimum and 20 inches 510 mm deep minimum and 24 inches 610 mm deep maximum.
Seachrome recommends that shower seats be installed using 2 minimum thickness in wall solid wood backing material with 10.
A 36 inch 915 mm wide minimum entry shall be provided at one end of the long side of the compartment.
They usually require 14 15 inches in seat depth.
On the other hand l shaped seats are often a bit narrower since they provide more space at the corner.
Back support shall be 2 1 2 inches 64 mm maximum from the rear edge.