Made in the USA Since 1895.
The Chicago Spiral Stair Kit with Composite Wood is adjustable to your floor-to-floor height – shown here in 5'–0" diameter with 13 risers, Trex treads, 4” code balusters, 1 1/4" OD aluminum handrail, two sides of platform rail in a parallel configuration, stainless steel hardware, and a white painted finish. Optional top cap on platform rail. Talk with one of our stair consultants today to find the right Duvinage stair for your deck or patio with exterior wood, Trex, TimberTech, and more.