Interior Spiral Stairs
Exterior Spiral Stairs
Ready-to-Go Spiral Staircase Kits
Side Stringer Curved Stairs
Double Stringer Curved Stairs
Single Stringer Curved Stairs
NAHB Member certified

NAHB Member

Steel Helical Spiral Staircases: Multiple Design Styles

Explore our comprehensive collection of steel helical spiral staircases featuring multiple design styles for residential and commercial applications. Each staircase is custom-fabricated with precision engineering, offering space-efficient solutions with contemporary aesthetics. Choose from interior, exterior, and ready-to-go kit options with customizable treads, handrails, and finishes. Our curved and spiral designs combine structural strength with elegant flowing lines, supporting 300 lbs per tread while creating stunning architectural focal points.

Our Range of Products
Interior Spiral Stairs

Interior Spiral Stairs

  • Custom-fit to exact measurements
  • Pre-fabricated kit for easy assembly
  • Space-efficient compact design
Exterior Spiral Stairs

Exterior Spiral Stairs

  • Weather-resistant construction
  • Multiple tread material options
  • Anti-skid diamond plate treads
Ready-to-Go Spiral Staircase Kits

Ready-to-Go Spiral Staircase Kits

  • DIY-friendly knocked-down shipping
  • Field-adjustable components
  • 4' or 5' diameter options
Side Stringer Curved Stairs

Side Stringer Curved Stairs

  • Flowing ribbon-like curvature
  • Freestanding or wall-attached
  • Stone, wood, or glass treads
Double Stringer Curved Stairs

Double Stringer Curved Stairs

  • 300 lbs per tread capacity
  • Double stringer stability
  • Built to any height
Single Stringer Curved Stairs

Single Stringer Curved Stairs

  • Most floating design available
  • Heavy-duty structural steel
  • 360-degree rotation possible

Frequently Asked Questions

What is the typical diameter for spiral staircases?

Standard diameters are 4'-0" and 5'-0", though custom sizes can be fabricated to fit your specific space requirements and building codes.

Can spiral staircases be installed outdoors?

How much weight can these spiral staircases support?

Are these staircases available as DIY kits?

What tread material options are available?

Do spiral staircases meet building codes?

How long does fabrication and delivery take?

What's the difference between single stringer and double stringer spiral staircases?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Residential Construction

Residential Construction

Space-saving spiral stairs for homes requiring elegant vertical access to upper floors, decks, and lofts.

Commercial Architecture

Commercial Architecture

Stylish curved and spiral staircases serving as architectural focal points in offices and business environments.

Outdoor & Deck Access

Outdoor & Deck Access

Weather-resistant exterior spiral stairs connecting multi-level outdoor spaces, patios, and balconies durably.

Renovation Projects

Renovation Projects

Custom-fit spiral and curved staircase solutions for renovation projects with unique spatial constraints.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Interior Spiral Stairs | Spiral Staircase Treads in Multiple Styles

Spiral Staircase Treads in Multiple Styles

Explore premium spiral staircase treads engineered for durability and style. Our custom-fabricated treads are available in wood, smooth plate, diamond plate, perforated plate, and anti-skid surfaces for both interior and exterior applications. Built to meet strict building codes with weather-resistant materials and safety-compliant designs, these treads transform spiral staircases into functional architectural statements.
Exterior Spiral Stairs | Stainless Steel Spiral Staircase Kits for Home and Industry

Stainless Steel Spiral Staircase Kits for Home and Industry

Explore premium stainless steel spiral staircase kits designed for residential and industrial applications. Our custom-engineered solutions combine space-saving design with architectural elegance, featuring weather-resistant construction and easy assembly. Available in interior and exterior configurations with customizable treads, handrails, and finishes to meet any project requirement.
Interior Spiral Stairs | Interior Spiral Staircases: Easy Design & Selection

Interior Spiral Staircases: Easy Design & Selection

Interior spiral staircases from Acadia Stairs combine space-efficient design with contemporary aesthetics. Our custom-fabricated and ready-to-go spiral stair kits feature high-quality materials, customizable finishes, and easy assembly. Perfect for residential and commercial spaces where traditional staircases won't fit, these compact designs meet local building codes while serving as functional art pieces that complement any interior design style.

Why Architects & Homeowners Choose Acadia Stairs

40+ Years Combined Experience

Decades of expertise designing custom spiral and curved staircases for nearly every circumstance, shipped nationwide to every state in the US.

Complete Customization Flexibility

Fully customizable designs with wide variety of tread options, handrail styles, finishes, and configurations to match your exact space and aesthetic vision.

Heavy-Duty Quality Construction

Precision-fabricated structural steel systems supporting 300 lbs per tread, combining superior strength with elegant modern aesthetics and lasting durability.

Request a Custom Spiral Staircase Design Consultation Today

Connect with our experienced design team for personalized guidance on your project. Expect a detailed consultation and custom quote within 24-48 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