Handicap Stair Rail Height
34 to 38 inches handrail height is the height of the handrail in relation to the stairs.
Handicap stair rail height. 4 9 2 treads and risers. Top rail may also serve as handrail if height of the system is between 36 and 38 inches. Open risers are not permitted. Stair rail system.
Ramp stairs landing your railing cannot. Handrails must be between 30 and 38 inches as measured from the leading edge of the stair tread. Handrails shall be at a consistent height above walking surfaces stair nosings and ramp surfaces. In other words even if your railing covers multiple surfaces i e.
Handrails must be at a consistent height above the stair nosings and ramp surfaces the adaag states. The height of your handrail must also remain consistent above walking surfaces stair nosings and ramps. Top of gripping surfaces of handrails shall be 34 inches 865 mm minimum and 38 inches 965 mm maximum vertically above walking surfaces stair nosings and ramp surfaces. Handrail graspability to be either type i or ii with a minimum 1 1 2 inch clearance from a wall.
A maximum height of 28 inches 710 mm measured to the top of the gripping surface from the ramp surface or stair nosing is recommended for handrails designed for children. Stair treads shall be no less than 11 in 280 mm wide measured from riser to riser. Stairs required to be accessible by 4 1 shall comply with 4 9. On any given flight of stairs all steps shall have uniform riser heights and uniform tread widths.
Minimum 10 inch stair tread depth with nosing or minimum 11 inches with no nosing. Maximum 7 3 4 inch stair riser height. For stair rail systems installed on or after january 17 2017 the top rail and handrail must be separate. Handrail height to be placed a minimum 34 inches to 38 inches.
Handrail and stair rail systems if a stair has a minimum of four risers a handrail is required. Sufficient vertical clearance between upper and lower handrails 9 inches 230 mm minimum should be provided to help prevent entrapment. Maximum 12 3 vertical height rise for a flight of stairs. The us ada section 4 9 includes detailed advice for accessible stair design including stair riser height stair tread dimensions stair nosings handrailings hand railing continuity and handrailing extensions at the top and bottom of stairways.
The current ada standards dictate the height of an ada handrail must be a minimum of 34 inches and a maximum of 38 inches from the walking surface to the top of your grab rail.