

The Iron Shop has provided spiral staircases to over 100,000 satisfied customers throughout North America. Custom-crafted indoor, outdoor, and specialty designs โ precision metalwork, timeless style, weekend installation.
The Iron Shop has provided spiral staircases to over 100,000 satisfied customers throughout North America and continues to provide quality staircases for your indoor and outdoor projects. Our products exceed expectations because of their longevity, credibility, and reliable craftsmanship.
Meets or exceeds all building code safety requirements.
Diameters starting at 42 inches for tight spaces.
Quality design and construction will stand the test of time.
DIY installation possible with basic tools.

From compact urban lofts to sweeping outdoor decks, The Iron Shop offers the perfect spiral staircase for your project.
Most PopularIndoor spiral staircases offer homeowners unique visual appeal and space savings. From minimalistic to traditional Victorian styles โ perfect for lofts, libraries, attics, and basements.
Weather-ProofSpecially designed and manufactured to withstand even the harshest outdoor conditions. Ideal for decks, patios, pools, and second-story access.
PremiumVictorian spiral staircases with ornamental scrolling, kiln-dried red oak options, floating stairs with clear sightlines, combo stairs, half-turn, and folded configurations.
Not sure which type fits your space and budget? Compare our three main collections side by side.
| Feature | Indoor Spiral โ Best Value | Outdoor Spiral | Floating / Specialty |
|---|---|---|---|
| Starting Diameter | 42 inches | 48 inches | Custom |
| Material Options | Steel, Aluminum, Wood | Galvanized Steel, Trexยฎ | Steel, Oak, Glass |
| Weather Resistance | Indoor use | โ All climates | Indoor / Custom |
| DIY Installation | โ Weekend install | โ Weekend install | Professional recommended |
| Building Code Compliant | โ All 50 states | โ All 50 states | โ All 50 states |
| Railing Styles | 10+ options | 6+ options | Glass, Cable, Ornamental |
| Finish Colors | 20+ powder coats | 12+ powder coats | Custom match |
| Lead Time | 3โ4 weeks | 3โ5 weeks | 4โ8 weeks |
| Best For | Lofts, attics, libraries | Decks, patios, pools | Showpiece interiors |
We have streamlined the entire experience so you can go from initial idea to a fully installed staircase with minimal stress.
Fill out our quick form or call us. A spiral stair expert will reach out within one business day to discuss your space, style, and budget.
Work with our design team to select your diameter, tread material, railing style, and finish. We provide a detailed rendering before you commit.
Your staircase is precision-manufactured and ships fully pre-cut and pre-drilled, typically within 3โ5 weeks of order confirmation.
Follow our detailed video guides and step-by-step manuals. Most installations are completed in one weekend with a helper and basic tools.




"I was nervous about a DIY staircase installation, but the instructions were incredibly clear and the support team was available every step of the way. The finished staircase is the centerpiece of our home."
"As a general contractor, I have specified The Iron Shop spiral staircases on over 30 projects. The quality is consistent, the lead times are reliable, and my clients are always thrilled with the results."
"We needed an outdoor staircase for our second-story deck that could handle Colorado winters. Three years later, it still looks brand new. Absolutely zero rust, zero issues."
Visit our FAQ below or give us a call and a Spiral Stair Expert would be happy to talk through your design or project idea.
Call a Spiral Staircase Expert at
1-800-523-74271-888-816-0550Monday โ Friday
8am to 8pm
Saturday
8am to 12pm EST
Our smallest spiral staircase starts at 42 inches in diameter, requiring a floor opening of approximately 44 inches. This makes spiral staircases ideal for tight spaces where a conventional straight staircase would be impractical.
Yes. All of our spiral staircases meet or exceed IBC and IRC building code requirements for residential and commercial applications. We provide full documentation to support your local permit application.
Absolutely. Our kits are designed for DIY installation by homeowners with basic tools. Each order includes detailed step-by-step instructions, access to installation video guides, and direct phone support from our team. Most installations are completed in a single weekend with one helper.
Standard indoor and outdoor spiral staircases typically ship within 3โ5 weeks of order confirmation. Specialty and custom configurations may require 4โ8 weeks. We provide tracking information and keep you updated throughout the production process.
We offer a wide range of tread materials including steel grating, aluminum, kiln-dried red oak, and Trexยฎ composite. Railing options include standard balusters, ornamental iron, cable rail, and glass panels. All metal components are available in 20+ powder-coat finish colors.
Yes. We have a dedicated builder and contractor program with volume pricing, priority lead times, and a dedicated account representative. Contact us to discuss your project pipeline and we will set up your trade account.
Tell us about your project and a spiral stair expert will contact you within one business day โ no pressure, no obligation.