Architectural · A-KMW37

Typical Stair Railing and Guardrail Details

Materials

Elements

Columns Stairs Railings / Guards Roof / Floor Openings

About this detail

The assembly features a one and one-half inch diameter metal handrail positioned two feet ten inches above the stair nosing, accompanied by a forty-two inch minimum guardrail. Vertical balusters consist of three-quarter inch metal rails finished with gray paint and spaced at a maximum of four inches on center. Supporting posts are constructed from one and one-half inch diameter metal members. Design criteria require that any triangular openings formed by the riser, tread, and bottom guardrail element prevent the passage of a four-inch sphere. Landings with guardrail gaps exceeding four inches must receive an additional protective barrier.

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