Stair nosing profiles feature type 'A' flush risers and type 'B' angled risers. All profiles incorporate a one-half inch maximum radius typical at internal corners. A one and one-quarter inch maximum dimension governs the nosing overhang configuration.
1/2" RADIUS MAX (TYP ALL PROFILES) TYPE 'A': FLUSH RISER TYPE 'B': ANGLED RISER 1 1/4" MAX 1 1/4" MAX
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