Landscape · Site Stairs
Accessible Door Threshold Height
Maximum height of a door threshold or sill on an accessible route, including exterior sliding doors.
Description
Low, beveled thresholds prevent tripping hazards and allow wheelchair casters to roll through without catching.
Sources
- ADA Standards for Accessible Design
Tags
Values
Maximum threshold heightMaximum
13 mm1/2 in
Beveled edge required aboveStandard
6 mm1/4 in