Outdoor Dual Stringer Floating Staircases
Engineered for exterior environments, dual stringer floating stairs provide added structural support and design flexibility for outdoor applications.
Overview
Outdoor dual stringer floating stairs use aluminum stringers and composite tread covers to deliver dependable performance, enhanced support, and long-term durability in exterior environments.
Aluminum dual stringer construction for added stability
Composite tread covers for weather resistance and traction
Designed for outdoor use on decks, patios, and multi-level exteriors
Compatible with cable, line, or glass railing systems
Design Factors
Engineered with aluminum dual stringers and exterior-rated materials, these floating stair systems deliver long-term durability, added stability, and reliable performance in outdoor environments.
Enhanced Structural Support
Dual stringer designs distribute load evenly across both sides of the stair, making them ideal for exterior installations where stability and performance are critical.
Exterior-Rated Materials
Aluminum stringers resist corrosion while composite tread covers hold up against moisture, temperature changes, and daily use.
Cohesive Deck Integration
Railing options can be matched across the stair and deck for a unified, professional finish.
Customization
Chat with a Design Pro!
Speak directly with an expert stair designer for help with choosing the right stair options and other important decisions like location, measurements, design, safety, and building code considerations.
Call 800-368-8280
Aluminum Frame with Decking
Hi-Grip Aluminum
Aluminum Handrail
Dometop Aluminum Handrail
Cable Rail
Line Rail
Glass Rail
Our powder coating process starts with completely cleaning the stair’s surface to allow for a much smoother application. We also inspect each component individually for finish quality.
Black Powder Coat Color
White Powder Coat Color
Gray Powder Coat
Custom Powder Coat Color
Why Salter
Get started with a free, no-hassle consultation.
Or Call 800-368-8280
Get started with a free, no-hassle consultation.
Or Call 800-368-8280
The Salter Experience
Since 1979, Salter Stairs has delivered professional-grade floating and spiral stair system engineered for performance, reliability, and predictable installation.
A Consultative, Pro-Level Process
As part of our design process, you have access to our staircase experts through a free consultation to ensure we design the perfect stair solution for your project.
Manufactured in the USA. Shipped Nationwide.
Every stair system in proudly made in the USA and shipped directly to your jobsite or door. Our stairs are packaged for safe and quick transport anywhere in North America.
Engineered for Efficient Installation
Salter's stairs can be built in under a day by two average people and require no special tools. For added support, our Pennsylvania based team is here to help.
Lifetime Warranty You Can Stand Behind
Built to last and backed accordingly—lifetime warranty on metal fabrication and five year warranty on all finishes for long-term confidence.