Outdoor Mono Stringer Floating Staircases
A durable floating stair designed for outdoor environments engineered with aluminum stringers and composite tread covers.
Outdoor Floating Stairs
Outdoor mono stringer floating stairs provide the open look of a floating staircase with the strength and durability required for exterior use. Built with corrosion-resistant aluminum stringers and composite tread covers, these systems are designed to handle exposure to the elements while maintaining long-term performance. Ideal for decks, patios, balconies, and multi-level outdoor spaces, outdoor mono stringer stairs offer a clean, streamlined profile that integrates easily into a wide range of architectural styles without sacrificing safety or code considerations.
Aluminum mono stringer engineered for outdoor conditions
Composite tread covers designed for durability and traction
Compatible with cable, line, or glass railing systems
Suitable for residential and commercial use
Design Factors
Outdoor mono stringer floating stairs are engineered with aluminum stringers and composite tread covers to deliver long-term durability, weather resistance, and dependable performance in exterior environments.
Engineered for the Elements
Aluminum stringers resist corrosion and moisture, while composite tread covers are designed to withstand temperature changes, sun exposure, and daily use.
Stair & Deck Railing Compatibility
Choose cable, line, or glass railing systems for both the stair and the deck to create a consistent, unified outdoor design.
Open, Minimal Footprint
The mono stringer design keeps the stair visually light while maintaining structural integrity, ideal for maximizing outdoor space without heavy framing.
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 800-368-8280Salter’s Aluminum Deck treads offer curved and straight options for any aesthetic Treads are also available in closed riser options for code and grated tread for safety.
Aluminum Frame with Decking
Hi-Grip Aluminum
Even Salter’s wooden handrails, available for aluminum , come in one solid piece to add to the handcrafted appeal of your stair.
Aluminum Handrail
Dometop Aluminum Handrail
All Salter balusters are individually mitered to the angle of your stair to give you an exact fit.
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.