A features two parallel support beams (stringers) running on either side of the treads, providing exceptional stability and a balanced aesthetic. These are commonly used in modern residential and industrial designs, often utilizing steel profiles like U-channels (UPN), square hollow sections (SHS), or flat plates. Key Technical Components for DWG Detailing
Note: The DWG file can be opened using AutoCAD or other compatible software. double stringer staircase detail dwg