Design Your Custom Series Spiral Stair

We Offer a Wide Range of Styles and Options to Create Your Custom Stair Solution

custom stairsWith such engineering elements as cantilevered stairs for increased load-bearing capacity and design elements such as line railing, the Custom Series Spiral has the most streamlined, modern, and clean look as well as the sturdiest build of all the spiral staircase series. This stair line also has the widest range of handrail, tread profile, and baluster styles—hence the term “custom” in the name—making it easy to build your unique stair from the ground up.

The Custom Series Spiral works great for:

Uses: Indoor | Living Room | Commercial
Styles: Modern | Traditional | Urban
Price Tier: Tier 2 [$$] | Tier 3 [$$$] | Tier 4 [$$$$]

(Learn more about our price tiers)

Custom Series Tread Profile

Both available tread profiles provide a safe and stable walking surface for your spiral stair.

  • Standard Standard tread profile

  • Code Riser Code compliant risers

Custom Tread Coverings

Accent your Custom Series Spiral Stair with a tread covering to complement your space's style.

  • Standard Smooth tread

  • Diamond Plate Raised diamond pattern for a non-skid surface

  • Solid Wood Tread Cover Solid wood accents for your stair available in all offered wood species

  • Carpet Ready Flakeboard Ready for carpet stair treads

Custom Series Wood Covering Type

Choose from over a dozen available wood species for your solid wood tread covers.

  • None

  • Red Oak (Indoor)

  • White Oak (Indoor)

  • American Cherry (Indoor)

  • Brazilian Cherry (Indoor)

  • Maple (Indoor)

  • Walnut (Indoor)

  • Hickory (Indoor)

  • Douglas Fir (Indoor)

  • Pine (Indoor)

  • Alder (Indoor)

  • Teak (Outdoor)

  • Mahogany (Outdoor)

  • Cedar (Outdoor)


As one of Paragon's most custom product lines, choose your handrail from a wide selection of materials.

  • Vinyl Standard black vinyl handrail

  • Aluminum Black aluminum handrail

  • Solid Wood 2" Round Standard solid wood 2" handrail

  • Solid Wood 3" Round Standard solid wood 3" handrail

  • Solid Wood 3" Bead & Finger Groove Shaped solid wood 3" handrail

Baluster Type

Complete your stair frame with standard square spindles.

  • Steel Tube Simple tube baluster

  • Line Rail Elegant welded line rail - no center balusters required

  • Non-Welded Line Rail No center balusters required

Number of Center Balusters

You can close any large spaces in your stair frame by choosing the number of center balusters on each step.

  • 0

  • 1

  • 2

  • 3

Matching Platform Railing

We match whatever handrail and baluster combination you select with your platform railing setup for a consistent look.


Complete your unique stair design with the right finish, whether it's a traditional black or a custom color.

  • Primed (Standard)

  • Black Powder Coat

  • White Powder Coat

  • Steel Gray Pearlescent

  • Faux Stainless Steel

  • Bronze

  • Bronze Pearlescent

  • Almond

  • Custom Color


Find the right entry and exit points for your spiral stair by choosing either a clockwise (Right Hand Up) or a counterclockwise (Left Hand Up) design.

  • Right Hand Up

  • Left Hand Up

Number of Platform Rails

Ensure the safety of your spiral stair with the addition of railing around your landing platforms that are not attached to a wall.

  • 1

  • 2

  • Well Enclosure

With this line you have greater freedom of location selection thanks to  being able to add a platform rail for every side that does not face a wall.

See How Paragon Delivers a Best in Class Experience

Customized To Your Budget

Our friendly stair designers can work with you to customize your stair solution to fit your budget.

See How It Works

Limited Lifetime Guarantee

We back our stairs with the only lifetime warranty on metal fabrication in the stair industry.

See Lifetime Warranty Details

Complimentary Consultation

Our friendly designers can meet with you virtually to get you a FREE 3D model and accurate pricing.

Learn About Our Consultation Process

Over 50,000 Satisfied Customers

See how we have improved the homes and lives of our clients.

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  • Our expert designers can design the perfect stair solution based on your requirements and budget. You'll get quick and accurate pricing from SMA certified designers! Learn more about how it works.