Made in the USA Since 1895.
Magnificence and wonderment abound with this custom Duvinage spiral stair. At 20’-7” high and 6’ diameter, this spiral stair features custom helixed steel rail in 1.7” OD with glass panel rail infill and the 410 tread design with Santos Mahogany tread and platform covers. Finished in powder coat. A dramatic architectural statement in this stately residence. Location: Potomac, Maryland.