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Steel Stringers for Stairs

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Shop Outdoor Stair Stringers at Lowe's

Outdoor stair stringers provide structural support for building stairs that connect decks, porches and other elevated outdoor spaces. Available in different materials, sizes and configurations, they help simplify stair construction. Find the right outdoor stair stringers for deck projects, porch upgrades and other outdoor building projects at Lowe’s.


Benefits of Outdoor Stair Stringers

  • Stair Construction Support: Outdoor stair stringers provide a framework for building stairs in outdoor spaces.
  • Simplified Installation: Preconfigured stringers can help reduce measuring and cutting during stair construction.
  • Flexible Project Applications: They're suitable for decks, porches and other outdoor access points.
  • Multiple Material Options: Wood and metal stringers can support different project requirements and design preferences.
  • Outdoor Durability: Pressure-treated and weather-resistant materials can help support long-term outdoor use.


Key Features of Outdoor Stair Stringers

  • Material Choices: Wood and steel outdoor stair stringers offer different durability, maintenance and appearance preferences.
  • Step Configurations: They're available with multiple step counts to accommodate different stair heights and project requirements.
  • Project Applications: Porch outdoor stair stringers and deck stairs outdoor stair stringers can support a variety of other outdoor installations.
  • Height Options: Choose from multiple height configurations for your deck, porch and entryway elevations.
  • Contact Ratings: Ground-contact and above-ground options can support different installation conditions.
  • Pressure-Treated Options: Select models include pressure-treated materials for additional outdoor durability.


How to Choose Outdoor Stair Stringers

  • Determine Stair Height: Measure the total rise from the ground to the deck or porch before selecting a stringer.
  • Match the Number of Steps: Choose a stringer configuration that fits your project's height requirements.
  • Select the Right Material: Compare wood and steel options based on durability, maintenance and appearance preferences.
  • Review Installation Requirements: Confirm compatibility with decking materials, stair treads and local building requirements.


Outdoor stair stringers can help support deck, porch and other elevated outdoor stair projects. Compare material, step configuration, height and contact rating before choosing. Shop decking and outdoor stair stringers at Lowe’s to find products for your next outdoor building project.