Residential · IRC 2021 §R311.7.1 / §R311.7.2 / §R311.7.5 / §R311.7.8.1 / §R312.1
Residential Stair & Guards
Stair drawn to scale at IRC limits: 7¾" riser, 10" tread, 6'-8" headroom, 34–38" handrail, 36" landing guard with 4" sphere limit, and 36" clear width.. Referenced to IRC 2021 §R311.7.1 / §R311.7.2 / §R311.7.5 / §R311.7.8.1 / §R312.1.
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