Stair Kits and Modular Stairs

We offer a range of straight and spiral stair kits for interior and exterior use. Ideal for small spaces. In stock for immediate shipment.

Stair Kit Product Lines

The Chicago Spiral Staircase Kit

The Chicago stands alone in its class. Steel stair with AL handrail and a full length, single piece steel center pole. Adjustable height. Multiple diameters. Made in USA.

The Chicago Code Compliant Kit – SHOP NOW

Best-in-class code compliant spiral stair kit. Select your height and any other customizations like wood treads, extra rail, and paint color. Made in USA.

The Chicago Outdoor Code Compliant Kit – SHOP NOW

Unrivaled in strength and durability. Galvanized diamond plate steel. Ideal for decks. Made in USA.

The Exterior Zink Spiral Stair Kit - SHOP NOW

For an industrial-inspired exterior stair, the Exterior Zink spiral stair kit will not disappoint. Galvanized finish with embossed treads. Made in Italy.

The Composity Straight Staircase Kit

The visual interest of the Composity I/L-shaped stair kit is equal to its practicality. Wood treads, landing, and rail. Available in white/natural. Made in Italy.

The Mini Straight Staircase Kit

Designed to give vertical access in very tight spaces without compromising style, the Mini is an ideal modular stair kit. Available in white/natural. Made in Italy.

The Small Straight Staircase Kit

Is it possible to go smaller than the Mini? The Small says YES. This economical modular stair kit is for very tight spaces. Available in white/natural. Made in Italy.

The Phola Wood-Accented Spiral Staircase Kit

Enhancing your modern style, the Phola is a spiral stair kit that marries elegance and functionality. Available in white/sand. Made in Italy.

Custom Spiral Stairs

Looking for custom instead? From our most popular New Yorker design to the exquisite Miami, our custom spiral stair line is designed to impress. Made in USA.

Get Started Today!

Looking for a Deck Stair?

Check out the best-in-class Chicago Galvanized Code Compliant spiral stair kit.

Looking for a Loft Stair?

Order your Chicago Code Compliant stair kit with an additional side of platform rail.