Individual modular stair units come together as a double helix in Linder Enterprises' new engineering process for circular stairs. The swirling units can be completed with wrought iron, steel, wood, or glass railings. Spec the systems inside or out based on cladding choices of wood, metal, plaster, or polyester resin. Linder Enterprises, 507.553.3040; www.linderenterprises.com.

flexible fix Kompact staircase kits offer flexible configurations to solve numerous space

Courtesy Arke

issues. Risers are adjustable, as well as the height, depth, and rotation. Polished beech treads and railings complement gray powder coat or white or black gloss enamel-coated steel support systems. Three balusters per tread with double-tread attachment produce a strong stable railing; matching balcony railing kits are also available. Arke, 888.782.4758; www.arkestairs.com.

Courtesy DSI Architectural Products

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Copper and stainless steel, selected for their durability and visual appeal, are the exclusive metals used for DSI fabricated stair systems. Custom designs are built for each residential or commercial project and include detailed CAD drawings, fabrication, shipping, and installation. DSI Architectural Products, 800.951.7727; www.dsi architecturalproducts.com.

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