Modern interior mono stringer stairs with floating wood treads and glass railing

Modern open-riser wooden staircase with cable railing in a bright contemporary interior

Open-concept living space with a black glass-railed floating staircase, leading to a mezzanine over a modern kitchen and dining area with wood cabinetry and pendant lights.

Floating wooden staircase with glass balustrade and stainless steel handrail in a modern interior

Mono Stringer Stairs

Mono Stringer Stairs Category: Staircase | Tags: custom staircase manufacturer, steel stringer staircase, mono stringer floating stairs, single stringer staircase

Key Features:

Versatile Configurations: Available in Straight, L-shaped, and U-shaped layouts to fit any architectural project.
Heavy-Duty Structure: Engineered with a Q235/Q355 central steel beam (150×150×5mm) and 8mm tread brackets for maximum load capacity.
Custom Premium Finishes: Tread options in 20–60mm solid wood (Oak, Walnut, Teak) or luxury marble, paired with powder-coated steel.
Precision Prefabrication: Modular bolt-together design for fast, job-site DIY assembly with zero field welding required.
Full Engineering Support: Free 3D models and CAD/DWG shop drawings supplied for builders and architects, backed by a 5-year warranty.

Mono Stringer Stairs by Meizstairs are designed and fabricated for high-end residential and commercial architecture. Therefore, our engineered central spine configurations create an open, floating aesthetic without compromising structural rigidity. In addition, each custom setup is precision-welded to meet international building safety codes while maximizing ambient natural light across your interior space.

Versatile Mono Stringer Layouts & Structural Options

Different interior layouts require tailored staircase shapes. Therefore, we provide several versatile options to meet your project demands:

Straight Mono Stringer Stairs: This design serves as the most versatile option for lofts, mezzanines, and entryways. With a single central spine and open risers, it creates a dramatic focal point while maintaining a light atmosphere. In addition, we can customize straight stairs with landings for taller spaces.
L-Shape Mono Stringer Stairs: Featuring two flights connected by a 90° turn, this layout fits perfectly into corner spaces and tighter footprints. Moreover, the landing provides a resting point that improves overall safety. Our engineers will supply complete CAD blocks and calculators for your project.
U-Shape Mono Stringer Stairs: This grand design connects two parallel flights with a 180° turn and landing. Consequently, it creates multiple resting points ideal for spacious villas, hotels, and commercial lobbies. Our modern U-shaped steel stairs combine clean lines with elegant industrial strength.

Premium Materials & Construction

Durability begins with heavy-duty structural steel components. Therefore, our mono stringer stairs rely on a rugged 200x150x8mm square carbon steel beam for maximum load capacity. In addition, we apply multi-layer electro-powder coating to resist scratches and rust in indoor spaces.
Furthermore, 8mm steel brackets securely mount each individual tread. You can select premium solid wood options like white oak or walnut, or install 12mm laminated toughened glass panels to complete the minimalist architectural profile.

Kits, Cost & Technical Support

We supply complete mono stringer stairs kits that include pre-cut steel beams, tread trays, hardware, and an installation manual. Generally, pricing varies based on your chosen configuration and materials. Straight stairs usually offer the most affordable solution, while U-shaped designs require more materials and labor. Please contact us directly for a detailed custom quote.
In addition, our expert team provides comprehensive technical support. We supply detailed dimensions, bracket specifications, and step-by-step installation guides for builders. Whether you need custom curved projects or bent plate designs, we have the engineering expertise to assist you.