Length: 8 feet Width: 3 feet (typically wider than standard ladders) Side Rails (Stringers): Typically 2x6 or 2x8 lumber, 8 feet long Rungs: Spanning the 3-foot width Usually 2x4 or 2x6 lumber Spaced 12 inches apart on center Material Options: Pressure-treated or standard lumber Load Capacity: High, if properly built with bracing and secure fasteners