Made in the USA Since 1895.
This Duvinage spiral stair connects additional work spaces in the loft to the main level of this commercial office. Adding function and flair at 5’ diameter and 8' 8 1/2" height, this stair features checker plate treads and platform, two sides of 42" height platform rail, and code balusters. Location: Columbia, South Carolina. Architecture: Quackenbush Architects.