Are Handrails Required For Interior Stairs
For stair rail systems installed on or after January 17 2017 the top rail and handrail must be separate.
Are handrails required for interior stairs. A handrail is only required on one side of a stair with four or more risers three or more treads per the International Residential Code IRC 31178. See Note A-3434 2Except as provided in Sentence 3 the. This article series explains and illustrate the requirements for graspable handrails railings used inside or outside buildings including guardrails hand railings on steps and stairs and stair rails or stair guards for both interior and exterior stairways.
The rise is the difference between the bottom of the stairs and their top edge. The handrail for the main interior stair has several newel posts which break the continuity of the handrail in contravention of Article 9879. By contrast stair guards run.
The width of the stairway on top of the handrail and under the minimum headroom height must not be less than 36. For clarification a riser is the vertical portion of a stair. In assembly areas extensions shall not be required for ramp handrails in aisles serving seating where the handrails are discontinuous to provide.
Handrails are not required on walking surfaces with running slope less than 120. There is no requirement for a handrail at both sides of a residential stair although it is an excellent safety precauation especially for seniors. Extensions shall not be required for continuous handrails at the inside turn of switchback or dogleg stairs and ramps.
Instead youll notice the rise requirements. 6 rows Stair railing runs on the stair incline up and down. A handrail is required on stairs with two or more risers and ADA ramps with a rise of 6 inches.
They are required on both sides of stairs and ramps. Inside handrails on switchback or dogleg stairs must be continuous. Handrail and Guard Deļ¬nitions Handrail The purpose of a handrail is to provide guidance.