Single Stringer Curved Stairs
Single Stringer Straight Stairs
Side Stringer Straight Stairs
Double Stringer Curved Stairs
Interior Spiral Stairs
Double Stringer Straight Stairs
Side Stringer Curved Stairs
Ship Ladders
Ready-to-Go Spiral Staircase Kits

Interior Metal Staircases Design Options

Explore our comprehensive interior metal staircase design options featuring single stringer, double stringer, side stringer, curved, spiral, and ship ladder configurations. Each custom-fabricated solution combines structural steel engineering with modern aesthetics, offering floating designs, versatile layouts, and load capacities up to 300 lbs per tread. Perfect for residential and commercial spaces seeking both functional elegance and architectural distinction.

Our Range of Products

Single Stringer Curved Stairs

Single Stringer Curved Stairs

  • 300 lbs per tread capacity
  • Most floating staircase design
  • Structural steel fabrication
Single Stringer Straight Stairs

Single Stringer Straight Stairs

  • Minimalist single stringer design
  • Laser-cut tread rigidity
  • Up to 42" width unsupported
Side Stringer Straight Stairs

Side Stringer Straight Stairs

  • Side stringer versatility
  • Indoor & outdoor applications
  • Weather-resistant finishes
Double Stringer Curved Stairs

Double Stringer Curved Stairs

  • Double stringer stability
  • 180° turn capability
  • Heavy-duty construction
Interior Spiral Stairs

Interior Spiral Stairs

  • Space-efficient spiral design
  • Pre-fabricated kit format
  • Nationwide shipping included
Double Stringer Straight Stairs

Double Stringer Straight Stairs

  • Cost-effective design
  • Floating appearance
  • Commercial load-rated

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Frequently Asked Questions

What is the difference between single stringer and double stringer metal staircases?

Single stringer staircases feature a central support beam creating the most open, floating look, while double stringer designs have two parallel supports offering greater stability and affordability for wider staircases.

Can metal staircases be used for both interior and exterior applications?

What is the typical load capacity for custom metal staircases?

How long does it take to fabricate and install a custom metal staircase?

Are curved metal staircases more difficult to install than straight staircases?

What tread material options are available for metal staircases?

Do metal staircases comply with building codes and safety regulations?

Which metal staircase configuration is best for small spaces with limited floor area?

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

Custom metal staircases serve as architectural focal points in modern homes, offering floating designs and open aesthetics for lofts, multi-level residences, and renovation projects.

Commercial Spaces

Commercial Spaces

Heavy-duty double stringer and side stringer configurations provide code-compliant solutions for offices, retail showrooms, and public buildings requiring both durability and design appeal.

Industrial Facilities

Industrial Facilities

Ship ladders and industrial-grade straight staircases with powder-coated finishes deliver space-efficient vertical access for warehouses, manufacturing plants, and mezzanine levels.

Hospitality & Retail

Hospitality & Retail

Elegant spiral and curved staircases create striking visual statements in boutique hotels, restaurants, and high-end retail environments where design aesthetics drive customer experience.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Architects & Designers Choose Acadia Stairs

40+ Years Combined Expertise

Decades of specialized experience designing and fabricating custom metal staircases for nearly every architectural circumstance across all 50 states.

Complete Design Collaboration

From initial consultation through installation, our team provides shop drawings, technical support, and expert guidance throughout your entire project lifecycle.

Engineering Excellence

Precision-fabricated structural steel systems with 300 lb per tread capacity, code-compliant designs, and weather-resistant finishes for lasting durability.

Ready to Transform Your Space with Custom Metal Staircases?

Request a free estimate within 24 hours. Our design consultants will help you select the perfect staircase configuration, materials, and finishes for your project.

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