Double Stringer Staircase

When ordering custom stairs, please provide us with the following information to receive a design and quote:

Total Rise (1st to 2nd Floor) (inches)
Tread Width (inches)
L: The length of the opening above the staircase
W: the width of the opening above the staircase
H: Height floor-to-floor
S: Upper-level slab thickness
Floor to Floor Height (inches)
Indoor or outdoor staircase
Residential or Commercial
Is it located in a coastal area?
New Construction or Remodel
Briefly describe the project requirements

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Specifictions

• Product Type: Prefabricated Sawtooth Double Stringer Staircase

• Application: Indoor / Apartment / Residential

• Structure Material: Carbon Steel or Stainless Steel (304/316)

• Tread Material Options: American Oak, Thailand Oak, Beech, Laminated Glass, or Marble

• Stringer Thickness: 0.31 inches - 0.63 inches (Steel Plate)

• Beam Dimensions (Double Beam Options): 6 inches x 4 inches or 4.75 inches x 4.75 inches

• Beam Wall Thickness: 0.20 inches - 0.24 inches

• Tread Support Thickness: 0.24 inches - 0.31 inches

• Wood Tread Thickness: 1.57 inches - 4 inches

• Wood Tread Width: 10 inches - 12 inches

• Wood Tread Length: 31.5 inches - 59 inches

• Glass Tread Thickness: 0.5 inches + 1.52pvb + 0.5 inches (Laminated)

• Railing Glass Thickness: 0.5 inches Tempered Glass

• Stainless Steel Rod Diameter: 0.31 inches / 0.40 inches / 0.47 inches

• Stainless Steel Tube Dimensions: 0.5 inches x 0.04 inches - 0.05 inches

• Finish: Powder Coated / Hot Dipped Galvanized / Satin / Mirror

• Warranty: 5 Years

Features

• Modern Open Riser Design: Creates a spacious, airy feel in any apartment or home interior. The architectural "floating" look maximizes light flow and visual space.

• Heavy-Duty Double Stringer System: Engineered with robust carbon steel sawtooth stringers for superior structural stability, minimizing vibration and bounce compared to single-beam alternatives.

• Premium Solid Wood Treads: Available in durable American Oak, Thailand Oak, or Beech. Treads are thick and substantial to ensure a solid footing and luxurious finish.

• Easy DIY Installation: Prefabricated kit designed for straightforward assembly. No welding required on-site; components bolt together for a hassle-free renovation project.

• Durable & Safe Finish: Steel components feature hot-dipped galvanization or powder coating (satin or mirror finish) to resist rust and wear.

• Versatile Railing Options: Compatible with cable (rod), glass, or wood railing systems to match your specific interior design style.

• Peace of Mind: Backed by a 5-year warranty with comprehensive after-sales support, including online technical guidance and spare parts availability.

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