On ramps the clear width between handrails shall be 36 inches 914 mm minimum.
Stair railing width.
Maximum 12 3 vertical height rise for a flight of stairs.
Definition of stairway width or stair width don t confuse stair width with stair depth stair tread width green arrow smaller than stairway width due to side trim boards stairway width blue arrow over most of this stairway nominally 36 or wider stairway width near stair top pink arrow.
Minimum 36 inch clear width for stairway.
The top of the handrail should be at least 34 inches.
Maximum 4 1 2 inch handrail projection into stairway width on either side.
Projections into the required width of stairways and ramps at each handrail shall not exceed 4 5 inches 114 mm at or below the handrail height.
Guard railing minimum height.
Minimum 6 8 headroom height clearance for stairway.
Ibc 1012 8 b intermediate handrails.
5 easy steps to measure for stair railing.
36 inches guards are the rails that protect users from falling off of high areas such as landings.
The guard may project into the required width below the handrail but not above it.
When you have only one railing you have more walking path width available than if you had two railings.
Therefore let us recap on the residential stair code requirements.
Ensuring you have the correct dimensions is the first step in properly specifying any railing system.
Each set of stairs is unique.