Made in the USA Since 1895.
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Circular and Monumental Stairs
Duvinage has been designing and fabricating fine circular and monumental stairs since 1895. Designed with architects in mind, our single and double stringer designs form to a perfect contour. Our steel treads receive marble, wood, carpet, terrazzo, tile, concrete, glass, and more. Custom curved railings in metal and wood are our specialty.
We provide full shop drawings and Professional Engineering calculations for your stair, letting you concentrate on the architectural beauty without the worry of structural concerns.
Duvinage stairs are in The White House, The Ritz Carlton, The National Gallery of Art, and fine homes across the country.
Circular and Monumental Stair Product Lines
Circular Staircases
Our helical stairs follow graceful curves to make a stunning architectural statement. Your project will be enhanced by the beauty that these stairs create.
Double Stringer Staircases
Double-stringer stairs can appear to float, with an openness that impresses visitors while offering comfortable vertical ascent.
Single Stringer Staircases
Monumental stairs with a pure floating effect, cantilevered on a single stringer. The sleek lines often showcase treads of marble, granite, and wood.
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Commercial Circular Stair Projects:
Residential Circular Stair Projects:
Industrial Circular Stair Projects: