National Kitchen & Bath Association - Kitchen & Bathroom Planning Guidelines with Access Standards
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12: Shower/Tub Seat

Recommended:
Plan a seat within the shower that is 17” – 19” above the shower floor and 15” deep.

Code Requirement:

  • Shower seat must not infringe on the minimum interior size of the shower (900 square inches). (IRC P 2708.1)

Access Standard

Recommended: Plan a seat in the shower and/or bathtub to fit the parameters of the space and the needs of the user.

Code Reference:

  • A removable in-tub seat should be at least 15” (381mm) – 16” (406 mm) deep and capable of secure placement. (ANSI 610.2)
  • A permanent tub seat should be at least 15” (381 mm) deep and positioned at the head end of the bathtub. The top of the seat should be between 17” (432 mm) and 19” (483 mm) above the bathroom floor. (ANSI 610.2)
  • Where a seat is provided in a roll-in shower, it should be a folding type and on the wall adjacent to the controls. The top of the seat should be between 17” (432 mm) and 19” (483 mm) above the bathroom floor.
  • In a transfer-type shower, the seat should be a folding type and extend from the back wall to a point within 3” (76 mm) of the shower entry. (ANSI 610.3)
  • The materials and installation of the shower and/or bathtub seat must support a minimum of 250 pounds of pressure. (ANSI 610.4)

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