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Circular Indoor Outdoor Spiral Staircase

Name: Circular Indoor Outdoor Spiral Staircase
Brand: Anewson
Price: 999.00 USD
Availability: InStock

$999.00

Circular Indoor Outdoor Spiral Staircase|Combines structural integrity

This Circular Indoor Outdoor Spiral Staircase combines structural integrity with versatile design, featuring a circular keel dimension with reinforced side plate construction. Engineered for both indoor and outdoor applications, the kit arrives ready for installation with pre-cut steps and integrated components. The spiral configuration maximizes space efficiency while maintaining safety standards, making it ideal for residential, commercial, or industrial settings. Complete with detailed assembly specifications, this stairway solution delivers professional-grade performance without requiring custom fabrication. Suitable for various architectural styles and load requirements.

Reinforced Circular Keel & Side Plate Construction

Built for stability and longevity:

Circular keel dimension – Central support column engineered to resist torsion and bending
Reinforced side plates – Add lateral stiffness and distribute step loads evenly
Heavy‑gauge steel core – Suitable for high‑traffic and heavy‑load applications
Corrosion‑resistant coating – Powder‑coated or galvanized for outdoor durability

The reinforced design ensures the staircase remains rigid and wobble‑free for decades.

Ready‑to‑Install Kit – No Custom Fabrication

Everything you need arrives in one package:

Component	Description
Pre‑cut steps	Wedge‑shaped treads with pre‑drilled holes
Central keel	Circular steel column with mounting flanges
Side plates & brackets	Reinforced connectors for each step
Handrail system	Curved rail segments with pre‑bent profiles
Hardware kit	Bolts, nuts, anchors, and assembly tools

Detailed assembly specifications and step‑by‑step instructions make installation straightforward for professional contractors.

Space‑Efficient Spiral Configuration

Maximize every square foot:

Compact footprint – As little as 1.5m (5 ft) diameter
Ideal for tight spaces – Corners, lofts, mezzanines, rooftop access
Continuous vertical circulation – Occupies minimal floor area per level
Indoor or outdoor placement – Weather‑resistant models available

Perfect for apartments, lofts, garden access, industrial catwalks, and beach houses.

Safety Standards & Load Requirements

Engineered for professional‑grade performance:

Compliant tread geometry – Uniform rise and go for comfortable stepping
Slip‑resistant step surfaces – Optional grip tape, perforated metal, or anti‑slip coating
Continuous handrail – Ergonomic height and grip diameter
Load rating – Up to 1000 lbs per step (industrial models available)

Meets or exceeds IBC, OSHA, and local building codes for residential and commercial use.

Versatile Applications

Residential – Lofts, split‑level homes, rooftop decks, tiny houses
Commercial – Retail mezzanines, hotel lobbies, office lofts
Industrial – Equipment access, maintenance platforms, storage mezzanines
Outdoor – Garden towers, beach access, observation decks

Customization Options

Feature	Choices
Material	Steel (standard), aluminum (lightweight), galvanized (outdoor)
Finish	Black, white, silver, custom RAL color
Step material	Steel plate, expanded metal, wood treads, composite
Step finish	Powder coat, painted, or removable tread covers
Handrail style	Continuous tube, cable infill, glass panels
Diameter	1200mm, 1500mm, 1800mm, or custom
Height	Adjustable to floor‑to‑floor dimensions

Tailored to your space constraints, load needs, and architectural style.

Why Choose This Spiral Staircase Kit

Ready to install – Pre‑cut steps and integrated components
Space efficient – Minimal footprint, maximum vertical access
Reinforced construction – Circular keel with side plates for stability
Indoor & outdoor capable – Corrosion‑resistant finishes available
Code compliant – Meets safety standards for residential and commercial use

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We specialize in custom home decoration, not standard products. So if you are interested in requesting a quote, please click 'Contact' to get in touch. Our experienced team will design and create the product you desire.

If you have your own freight forwarder, we can send the products to your forwarder .

If you don't have one, we can also ask our freight forwarder which we work with long-term to handle the transportation for you. We do not make a profit on shipping, so the shipping cost will not be high.

Our products are manufactured in China and ship globally. We carefully select our material suppliers to ensure our products are high quality and a fair price.

We have broadest material options to offer. We can suggest you the suitable materials as per your need to control the price. Our products can satisfy different level market.

Hand over your floor plan or measurements data to us, and our elite design team will tailor a solution for you based on your specific specifications and provide carefully designed proposals to meet your unique needs.

Considering design and production ,our products are usually shipped by 20-50 workdays after payment. Different proudcts and quantity means different delivery time.

Our comprehensive after-sales support will give you peace of mind. Our professional sales team is committed to providing you with round-the-clock service to ensure seamless communication and satisfaction.

Brief Overview of Spiral Staircase

A spiral staircase is a helical structure designed to provide vertical circulation within a confined footprint. Unlike conventional straight flights, it ascends around a central pole or column, describing a circular or polygonal path. This elegant design is celebrated for its space-saving efficiency, often serving as a secondary or feature staircase in homes, towers, or decorative installations. Its compact core makes it ideal where floor space is limited. Beyond pure function, its graceful, coiled form carries significant aesthetic weight, becoming a sculptural centerpiece. The design balances visual openness with structural necessity, creating a dynamic, upward flow that can enhance the perception of space and light within an architectural setting.

Treads & Risers (The Steps)

The individual steps, or treads, are the fundamental components of the ascent. Typically wedge-shaped, they are wider at the outer edge and narrow towards the central support, defining the walking path. The relationship between the tread depth and the riser height is critical for safety and comfort, adhering to strict building codes. A key feature is the absence of traditional landings; the continuous climb is inherent to the design. The outer edges may be supported by a helical handrail balustrade or appear to float, depending on the construction. The careful calculation of the tread wind ensures a stable, ergonomic climb, while the open design between steps can create feelings of lightness or, if poorly designed, vulnerability.

Design Drawings & Key Components

Precise technical drawings are paramount, translating the concept into a buildable assembly. Plans and elevations detail the overall geometry—diameter, total rise, and angle of rotation. Detailed sections specify the connection between the treads, the central newel post (the primary vertical support), and the balustrade system. The major components include the central column, the treads themselves, a helical stringer or support brackets attaching the treads to the column, and the handrail following the spiral. Drawings must meticulously coordinate these parts, ensuring structural integrity and a smooth, continuous handrail line. Materials range from steel and timber to concrete or glass, each requiring specific connection details and fabrication tolerances.

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Circular Indoor Outdoor Spiral Staircase