Double Stringer Staircase Detail Dwg __exclusive__ Jun 2026

| Parameter | Typical Requirement (IBC / IRC) | | :--- | :--- | | Riser height | Maximum 7¾ inches (196 mm) – often 7 inches for residential | | Tread depth | Minimum 10 inches (254 mm) – often 11 inches for comfort | | Stairway width | Minimum 36 inches (914 mm) | | Headroom | Minimum 6 feet 8 inches (2032 mm) | | Landings | Minimum 36 inches in direction of travel; required if total rise exceeds 12 feet | | Handrail height | 34–38 inches above tread nosing | | Stringer spacing | Cut stringers spaced no more than 18 inches on centre | | Throat size | Minimum 5 inches for cut stringers |

Offers comprehensive structural CAD drawings for steel staircases with concealed tread steps. double stringer staircase detail dwg

: Specifications for the interface between the steel stringers and wooden or glass treads. Architectural Gallery | Parameter | Typical Requirement (IBC / IRC)