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

BBB Accredited Business

Metal Fabrication Excellence certified

Metal Fabrication Excellence

Modular Stairs Collection

Discover Acadia Stairs' comprehensive modular staircase collection, featuring custom spiral, curved, straight, and ship ladder designs. Each staircase system combines innovative engineering with contemporary aesthetics, offering fully customizable solutions for residential and commercial spaces. Our modular approach ensures easy assembly, nationwide shipping, and precise fit to your exact specifications.

Our Range of Products
Ready-to-Go Spiral Staircase Kits

Ready-to-Go Spiral Staircase Kits

  • Mix-and-match design components
  • Easy DIY assembly system
  • Customizable to any height
Interior Spiral Stairs

Interior Spiral Stairs

  • Custom-designed to building codes
  • Contemporary clean lines
  • Pre-fabricated easy assembly
Exterior Spiral Stairs

Exterior Spiral Stairs

  • Weather-resistant construction
  • Multiple tread material options
  • Heavy-duty kit system design
Ship Ladders

Ship Ladders

  • Space-saving minimalist design
  • Multiple configuration options
  • Durable powder coat finishes
Side Stringer Straight Stairs

Side Stringer Straight Stairs

  • Clean open aesthetic design
  • Accommodates any tread material
  • Weather-resistant options
Single Stringer Straight Stairs

Single Stringer Straight Stairs

  • 300 lbs per tread capacity
  • Most open floating look
  • Laser-cut tread precision

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Frequently Asked Questions

What are modular stairs?

Modular stairs are custom-designed staircase systems built with pre-fabricated components that ship in sections for easy assembly. They offer fully customizable designs while simplifying installation.

How long does it take to receive a custom modular staircase?

Can modular stairs be installed outdoors?

What is the weight capacity of modular staircases?

Do modular stairs meet building codes?

Can I install modular stairs myself?

What customization options are available for modular stairs?

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

Custom modular staircases for home interiors, lofts, decks, and multi-level living spaces requiring elegant design and precise fit.

Commercial Buildings

Commercial Buildings

Heavy-duty staircase systems for offices, retail spaces, and public buildings with high traffic and code compliance requirements.

Industrial Facilities

Industrial Facilities

Durable ship ladders and space-saving stair solutions for warehouses, manufacturing plants, and mezzanine access applications.

Architectural Projects

Architectural Projects

Statement staircases serving as focal points for architects and designers seeking innovative and contemporary design solutions.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Custom prefabricated metal stairs engineered for commercial and residential applications. Our product line includes spiral stairs, curved stairs, straight stairs with single/double/side stringers, ship ladders, and ready-to-go kits. Each staircase is fabricated with precision structural steel, customizable tread and handrail options, and powder-coated finishes. Designed to meet building codes while providing space-efficient, modern aesthetics for interior and exterior installations nationwide.
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Why Architects, Contractors & Homeowners Choose Acadia Stairs

40+ Years Combined Experience

Our design team brings four decades of staircase engineering expertise, ensuring every modular system meets exact specifications and building codes for flawless installation.

Custom-Built to Your Space

Every staircase is precisely engineered to your measurements, layout, and design vision with extensive material and finish options for residential or commercial projects.

Nationwide Shipping & Support

We ship modular staircase systems throughout the USA with easy assembly instructions, technical support, and expert installation guidance from concept to completion.

Ready to Transform Your Space with Custom Modular Stairs?

Connect with our design team for expert consultation. We'll provide a free estimate within 24 hours and guide you through material selection and customization options.

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