Copyright © 2012 Duvinage LLC. Phone: (800) 541-2645, (301) 733-8255, Fax: (301) 791-7240
Spiral Stairs, Circular Stairs, and Straight Stairs. Made in the USA Since 1895.
Duvinage is the oldest and most trusted manufacturer of custom spiral stairs and circular stairs in the United States. Our superior design, precise engineering and careful construction have enabled us to supply staircases to the most prestigious addresses in America, including the White House and the National Gallery of Art.
Duvinage supplies spiral, circular and straight staircases, ornamental railing and even steel ladders. We offer staircase kits which are both affordable and easy to install. These stair kits can be utilized as interior stairs, attic stairs, or would be a great addition to your outdoor deck.
Duvinage is a leading manufacturer of alternating tread stairs for industrial and commercial buildings.
Duvinage Architectural Sunshades make an attractive addition to any new or existing building, reducing the environmental footprint and integral in achieving LEED Certification.

Museo Botero,
Bogota, Columbia

Smithsonian American Art Museum,
Washington, DC

Busboys and Poets Restaurant,
Washington, DC

The Clara Barton Condominium,
Washington, DC

Kauri Tree Trunk Stairs,
New Zealand

Tree Sculpture Railing,
Tampa, FL

Metal Spiral,
Siena, Italy

Storage Stairs,
Antwerp, Belgium

Hanging Spiral Stairs,
Rotterdamn, Netherlands

Bookshelf Staircase,
London

Private Residence,
Stockholm

Longchamp Store,
New York City

Longchamp Store,
New York City

Staircase Drawers,
Australia

Staircase Slide,
Indianapolis, IN

Bent Wood Furniture Factory,
Bystrice, Czech Republic

Newseum,
Washington, DC

Newseum,
Washington, DC
Why go straight when you can use a spiral staircase and save space!
Dynamic and architecturally significant, Duvinage has the circular staircase for your application!
Uniquely structured with intricate rail designs; make this classical solution dynamic!
Fast, easy and economical, with a broad range of designs and applications!