Floor height: 10′ (3048mm)
Step Qty: 15+1 (final step is lower than floor )
Riser: 7.5” (190.5mm)
Stairs diameter : Exterior R3334mm (131.26”) Interior R2154mm (84.80”)
Stairs width: 1180mm (46.46”)
Stairs Stringer :12mm steel plate,Black
Tread support: 8mm with nosing
Steps : 15mm artificial marble, White
This modern curved staircase features a sleek black metal stringer structure combined with minimalist white treads, creating a striking architectural centerpiece for contemporary interiors. Designed for residential and commercial spaces, this custom spiral-inspired curved stair blends structural strength with elegant form.
Perfect for villas, duplex homes, showrooms, and luxury projects, this staircase enhances vertical circulation while maximizing visual impact.
This curved staircase is widely used in:
Unlike traditional spiral stairs, this curved black metal stringer staircase offers:
Looking for a custom curved staircase for your project?
Send us your floor plan or dimensions — we will provide free design and quotation within 24 hours.