Mount Si
A minimalist mono-stringer stair system featuring clean geometry, refined detailing, and a balanced contemporary aesthetic.
System Overview
The Mount Si stair system combines a clean center spine design with streamlined tread supports to create a light architectural presence. Designed for modern residential interiors, Mount Si delivers the floating stair appearance clients desire while maintaining efficient fabrication and installation requirements. Its balanced proportions make it equally suitable for contemporary, transitional, and modern mountain-style homes.
Specifications
- System Type: Mono-stringer stair system
- Construction: CNC-cut center spine construction
- Tread Support: Integrated steel tread plates
- Treads: Thick wood stair treads
- Maximum Run: 14 feet
- Minimum Width: 36 inches
- Maximum Width: 48 inches
- Finish Options: Powder coat, black patina, or raw steel with oil sealer
Ideal Applications
Mount Si is ideal for residential projects seeking a clean floating stair appearance without excessive visual complexity. Its simple geometry complements contemporary architecture while remaining versatile enough for a wide range of interior styles
Available Options
- Wood tread species and finish
- Steel finish selection
- Glass, cable, or metal railing systems
- Top-mount or side-mount railing coordination
- Project-specific width and detailing
- Interior finish options including powder coat, black patina, or raw steel with oil sealer
Available Finishes
Powder Coat
Durable architectural finish available in a wide range of standard and custom colors.
Black Patina
A hand-applied finish that highlights the character of the steel while providing a refined appearance.
Raw Steel with Oil Sealer
Preserves the natural appearance of steel while providing protection for interior applications.
Start Your Mount Si Stair Project
To discuss project fit, dimensions, finishes, and railing options, contact SIG Design-Build to begin coordination.