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

40 Inch Stair Treads

40 inch stair treads are custom-fabricated components designed for modern residential and commercial staircases. Acadia Stairs engineers these treads with precision for straight, curved, spiral, and ship ladder configurations, accommodating various materials including wood, steel, stainless steel, stone, and glass. Our treads integrate seamlessly with single, double, and side stringer systems, providing durable, code-compliant solutions for interior and exterior applications.

Our Range of Products

Double Stringer Straight Stairs

Double Stringer Straight Stairs

  • Floating design for open spaces
  • Treads up to nearly any inches
  • Code-compliant construction
Side Stringer Straight Stairs

Side Stringer Straight Stairs

  • Versatile configuration options
  • Weather-resistant materials
  • Indoor & outdoor applications
Ready-to-Go Spiral Staircase Kits

Ready-to-Go Spiral Staircase Kits

  • Easy DIY assembly design
  • Field-adjustable components
  • Mix-and-match stock parts
Single Stringer Straight Stairs

Single Stringer Straight Stairs

  • 300 lbs per tread capacity
  • Laser-cut rigid construction
  • Up to 42 inch width support
Exterior Spiral Stairs

Exterior Spiral Stairs

  • Weather-resistant construction
  • Anti-skid diamond plate treads
  • Galvanized steel hardware
Double Stringer Curved Stairs

Double Stringer Curved Stairs

  • Heavy-duty double stringer
  • 300 lbs per tread capacity
  • 180-degree turn capability

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Frequently Asked Questions

How wide do stair treads come?

Acadia Stairs fabricates custom stair treads up to nearly any width, accommodating both standard residential dimensions and wide commercial applications beyond 48 inches.

How many stringers for 40 inch wide stairs?

What materials are available for 40 inch stair treads?

Are 40 inch stair treads suitable for outdoor use?

What is the load capacity of custom stair treads?

Can 40 inch treads be used with curved staircases?

How long does custom stair tread fabrication take?

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 stair treads for modern homes, lofts, and renovations requiring space-efficient, aesthetically striking designs.

Commercial Office Spaces

Commercial Office Spaces

Durable treads engineered for high-traffic commercial environments with code-compliant safety features and professional aesthetics.

Industrial Facilities

Industrial Facilities

Heavy-duty steel and diamond plate treads designed for warehouses, manufacturing plants, and industrial access applications.

Retail & Hospitality

Retail & Hospitality

Elegant tread solutions for retail stores, hotels, and public buildings requiring sophisticated design and superior durability.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Residential and Commercial Builders Choose Acadia Stairs

40+ Years Combined Experience

Our team brings four decades of expertise in custom metal staircase design and fabrication, ensuring precision engineering and superior craftsmanship for every project.

Nationwide Shipping & Support

We ship custom-fabricated staircases throughout the continental United States and Hawaii, with comprehensive installation guidance and technical support via phone and email.

Fully Customizable Designs

From materials and finishes to configurations and dimensions, we collaborate with you to create staircases that perfectly match your space, style, and building code requirements.

Get a Free Quote for Your Custom 40 Inch Stair Tread Project

Our design consultants will respond within 24 hours with expert guidance and a detailed estimate tailored to your specifications.

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