Construct safe, sturdy outdoor stairs with this 4-Step Pressure Treated Brown Stair Stringer. Precision-cut from high-quality pressure-treated lumber, this pre-notched stringer makes building deck, porch, shed, and landscape stairs faster and easier. The brown pressure treatment protects against rot, decay, fungal deterioration, and insect damage, providing long-lasting performance in outdoor environments.

Designed to accommodate standard stair treads, the stringer provides consistent rise and run dimensions for a strong, stable staircase. Ideal for new construction, renovations, or replacing existing stair stringers, it offers dependable support for residential outdoor projects. A typical 4-step stringer is suitable for deck heights of approximately 26–28 inches above grade.