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United States · ADA · Illustrated standards guidance

Toilet rooms: fixture and transfer clearances

Toilet-room layouts, water-closet transfer spaces, grab bars, lavatories and accessible toilet compartments.

AccessibilityAnthropometry & ergonomics
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Source wording and page order preserved. Drawings and table layouts remain available in the original PDF.

Chapter 6: Plumbing Elements and Facilities Toilet Rooms Water Closet for Children 12 and Younger Flush control 36” max height 12”–18” 21 ”71–”11 ”72–”81 C L ”72–”81 xam ”91 nim ”41 Note: All other requirements for children’s water closets and toilet compartments are consistent with those based on adult dimensions. Water closet centerline, seat height, and Grab bar and toilet paper dispenser height grab bar height The rear grab bar can be shifted to the open side of the water closet or split where it would conflict with the location of flush controls required by the applicable code (§604.5.2, Ex. 2). Advisory (Non-Mandatory) Specifications by Age Group 3 & 4 5 through 8 9 through 12 Water Closet Centerline 12” 12” – 15” 15” – 18” Toilet Seat Height 11” – 12” 12” – 15” 15” – 17” Grab Bar Height 18” – 20” 20” – 25” 25” – 27” Dispenser Height 14” 14” – 17” 17” – 19” Recommendations: The Standards provide advisory (non-mandatory) guidance on the water closet height and centerline and the height of grab bars and toilet paper dispensers according to three age groups (above). The chosen specifications should correspond to the age of the primary user group. The specifications of one age group should be applied consistently in the installation of a water closet and related elements.

Edition and local adoption determine which requirements apply. Use the publisher’s document for the complete clauses, diagrams and amendments.