The Expedition Spiral Stair
The Expedition Spiral Staircase is the perfect outdoor stair solution for your deck with a weatherproof finish that will last through all seasons.
- Ships Within One Week of Ordering!
- Weatherproof Finish
- Lifetime Warranty

Weatherproof Outdoor Stairs
The Expedition Spiral Stair goes through our hot dipped galvanized process. This finish coats every part of the staircase, including hardware, in a maintenance free finish that is paired with our non-slip steps to ensure maximum safety in your outdoor space.
- Maintenance Free Finish
- Non-Slip Steps
- Lifetime Warranty

Adjustable Height
The Expedition features our adjustable sleeves that fit a range of heights, giving you flexibility in your space. You just need the approximate height of your deck or balcony to start your spiral staircase project!
- Flexibility in Your Space
- No Exact Measurements Needed
- Easy Installation

Code Compliant Designs
The Expedition Spiral Stair offers a code compliant option package, making it the perfect solution for your backyard deck our outdoor living space. These International Building Code compliant staircases quickly ship to you so your timeline is met.
- 5′ Wide Diameter
- SMA Approved Designs
- Additional Center Balusters
“Every time we called with changes. The images they provided were phenomenal to help us make sure that it was really fitting with the deck we had designed.”