Side Stringer Curved Stairs
Single Stringer Curved Stairs
Double Stringer Curved Stairs
Ready-to-Go Spiral Staircase Kits
Interior Spiral Stairs
Exterior Spiral Stairs
BBB Accredited Business certified

BBB Accredited Business

40+ Years Manufacturing certified

40+ Years Manufacturing

Self Supporting Spiral Staircase Design Options

Explore self-supporting spiral staircase design options featuring innovative single, double, and side stringer configurations. These architectural marvels combine structural elegance with practical functionality, offering freestanding curved and spiral designs that eliminate the need for center poles. Engineered with heavy-duty steel construction supporting 300 lbs per tread, these custom staircases serve as striking focal points in residential and commercial spaces while maximizing floor space efficiency.

Our Range of Products
Side Stringer Curved Stairs

Side Stringer Curved Stairs

  • Ribbon-like flowing design
  • Freestanding or wall-attached
  • Pan-style construction
Single Stringer Curved Stairs

Single Stringer Curved Stairs

  • Most floating design available
  • 300 lbs per tread capacity
  • No center pole required
Double Stringer Curved Stairs

Double Stringer Curved Stairs

  • Sturdiest curved design
  • Dual stringer support system
  • Easy shipping and installation
Ready-to-Go Spiral Staircase Kits

Ready-to-Go Spiral Staircase Kits

  • DIY-friendly kit system
  • Field-adjustable components
  • Mix-and-match design options
Interior Spiral Stairs

Interior Spiral Stairs

  • Custom-designed for your space
  • Space-efficient compact design
  • Powder coating available
Exterior Spiral Stairs

Exterior Spiral Stairs

  • Weather-resistant materials
  • Anti-skid tread options
  • One-piece or kit delivery

Frequently Asked Questions

What is a self-supporting staircase?

A self-supporting staircase is a freestanding structure that doesn't require attachment to walls for primary support. It uses engineered stringers and structural beams to support loads independently, creating a floating aesthetic while maintaining exceptional strength.

What weight capacity do self-supporting spiral staircases have?

Can self-supporting staircases be installed both indoors and outdoors?

What tread options are available for self-supporting spiral staircases?

How are self-supporting staircases shipped and installed?

Can self-supporting staircases be customized to fit unique spaces?

What is the typical lead time for a custom self-supporting staircase?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Residential Architecture

Residential Architecture

Self-supporting staircases create stunning focal points in modern homes, providing elegant vertical access while maximizing floor space and complementing contemporary interior design.

Commercial Spaces

Commercial Spaces

Offices and businesses utilize self-supporting curved staircases as architectural statements that combine functionality with striking visual appeal in lobbies and multi-level environments.

Industrial Facilities

Industrial Facilities

Heavy-duty exterior spiral stairs provide durable, weather-resistant access solutions for industrial sites, featuring anti-skid treads and galvanized steel construction.

Custom Architectural Projects

Custom Architectural Projects

Architects specify self-supporting staircases for unique projects requiring innovative structural solutions that blend engineering excellence with artistic design vision.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Architects and Contractors Choose Acadia Stairs

Superior Structural Engineering

Heavy-duty steel construction with 300 lbs per tread capacity ensures exceptional stability and long-term durability for demanding applications. Precisely fabricated systems meet rigorous building codes.

Complete Design Flexibility

From floating single stringers to sturdy double stringers, we customize every staircase to your exact specifications. Mix materials, finishes, and configurations to match any architectural vision.

Nationwide Installation Support

Over 40 years of combined experience with expert guidance throughout your project. Pre-assembled components, detailed instructions, and technical support ensure seamless installation coast to coast.

Ready to Design Your Custom Self-Supporting Staircase?

Our expert design team will work with you to create the perfect solution for your space. Receive a detailed quote with shop drawings and technical specifications within 48 hours.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 845-765-8600 You can also send us a quick email at info@acadiastairs.com