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1115A.4 Nosing

California Building Code 2016 (Vol 1 & 2) > 11A Housing Accessibility > 1115A Exterior Stairways > 1115A.4 Nosing

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Nosing shall not project more than 1¹/₄ inches (31.8 mm) past the face of the riser below. Risers shall be sloped or the underside of the nosing shall have an angle not more than 30 degrees (0.52 rad) from the vertical. (See Figure 11A-6A).

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1115A.4 Nosing