Custom Stone Staircase Curved Components

Our curved stone stair components are precision-fabricated for spiral and curved staircase installations, featuring CNC-accurate radius cutting and expert hand finishing. Each element is made to order for your specific staircase geometry.

Component Range:

• Curved Treads — single-piece radius treads
• Spiral Stair Stone Cores — central winding column
• Curved Landings — irregular platform shapes
• Curved Stringer Panels — supporting structural sides
• Curved Balustrade Bases — foot of balustrade profiles
• Curved Handrails — stone top rails

Specifications:

• Minimum inner radius: 50cm
• Maximum radius: unlimited (segmented)
• Tread depth: 28cm to 45cm+
• Tread thickness: 3cm to 6cm
• Custom radius and arc angles

Materials:

• Marble — polished interior staircases
• Granite — high-traffic and exterior stairs
• Travertine — warm residential staircases
• Limestone — historical restoration projects

Surface Options:

• Polished — luxury interior finish
• Honed — everyday use, anti-slip
• Sandblasted — wet area slip resistance
• Grooved — decorative anti-slip strips

Manufacturing:

• CAD drawings from architect specs or site measurements
• CNC cutting for precise radius matching
• Numbered pieces for sequential installation
• Pre-fitted joints where possible

MOQ: 1 component. Full staircase set pricing available. Site measurement services for complex curved installations.