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

BBB Accredited Business

Enclosed Exterior Staircases

Enclosed exterior staircases from Acadia Stairs provide weather-resistant vertical access solutions that blend safety, durability, and architectural elegance. Our custom-fabricated metal stair systems feature spiral, straight, and curved configurations designed for harsh outdoor conditions. With over 40 years of combined fabrication experience, we deliver fully customizable exterior stairs for residential decks, commercial buildings, and industrial applications throughout the USA.

Our Range of Products

Exterior Spiral Stairs

Exterior Spiral Stairs

  • Weather-resistant materials
  • Multiple tread options available
  • Code-compliant safety design
Side Stringer Straight Stairs

Side Stringer Straight Stairs

  • Versatile configurations (L, U-shaped)
  • Indoor & outdoor applications
  • Galvanized steel option
Double Stringer Curved Stairs

Double Stringer Curved Stairs

  • 300 lbs per tread capacity
  • Double stringer stability
  • Easy shipping and install
Single Stringer Straight Stairs

Single Stringer Straight Stairs

  • Minimalist floating design
  • Heavy-duty 300 lb capacity
  • Laser-cut precision treads
Double Stringer Straight Stairs

Double Stringer Straight Stairs

  • Affordable versatile design
  • Floating modern appearance
  • Code-compliant engineering
Side Stringer Curved Stairs

Side Stringer Curved Stairs

  • Completely customizable design
  • Freestanding or wall-attached
  • Ribbon-like curved appeal

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Frequently Asked Questions

What's the code for exterior stairs?

Exterior stair codes typically require specific riser spacing, load capacity standards, and safety features. All Acadia exterior stair systems are engineered to meet local and national building codes for both residential and commercial applications, with a minimum load capacity of 300 lbs per tread that exceeds most code requirements.

Do I need planning permission for an external staircase?

How do enclosed exterior staircases withstand harsh weather conditions?

What design options are available for enclosed exterior staircases?

Can I install an enclosed exterior staircase myself?

What is the typical delivery timeframe for a custom exterior staircase?

Are enclosed exterior staircases suitable for commercial buildings with high traffic?

What makes Acadia's exterior staircases different from standard outdoor stairs?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Residential

Residential

Custom exterior spiral and straight stairs for backyard decks, patios, balconies, and multi-level outdoor living spaces.

Commercial Buildings

Commercial Buildings

Code-compliant exterior staircases for office buildings, retail spaces, and public facilities requiring durable outdoor access.

Industrial Facilities

Industrial Facilities

Robust exterior staircases with weather-resistant finishes for manufacturing plants, warehouses, and industrial operations.

Hospitality & Entertainment

Hospitality & Entertainment

Architectural focal point exterior staircases for hotels, resorts, restaurants, and entertainment venues with high foot traffic.

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

40+ Years Combined Expertise

Over four decades of specialized experience designing and fabricating custom metal staircases for virtually every architectural challenge and outdoor condition across all 50 states.

Weather-Resistant Construction

All exterior stair systems engineered with galvanized steel, treated finishes, and corrosion-resistant hardware to withstand harsh outdoor environments and maintain structural integrity.

Fully Custom Fabrication

Every enclosed exterior staircase custom-designed to your exact specifications, space constraints, and aesthetic preferences with unlimited tread, riser, and railing configuration options.

Get Your Custom Exterior Staircase Quote Today

Our design team will respond within 24 hours with a free estimate and expert consultation on the best enclosed exterior staircase solution 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