5-Step Treated Wood Stair Stringer – Ground-Contact Rated, 59.77" x 11.25", Heavy-Duty Outdoor Stair Support Build long-lasting, stable outdoor stairs with this 5-Step Treated Wood Stair Stringer, designed for superior performance in tough outdoor environments. Constructed from high-quality, ground-contact rated treated lumber, this stringer resists moisture, insects, and rot—ideal for climates throughout the Iowa, South Dakota, and Nebraska region.With a precision-cut 6-3/4 in rise and 10 in run, this 59.77-inch long stringer ensures consistent, safe step spacing for taller stair runs. Its 11-1/4-inch width provides reliable structural strength making installation faster easier and more accurate for professionals and DIY builders.A perfect fit for taller decks porches retaining walls Available at MDH Lumber - Crofton Lumber in Nebraska and Akron Lumber in Iowa. Fast local delivery available.
