Metal spiral staircase kits offer a space-saving and stylish solution for multi-level access in homes, lofts, garages, or exterior setups. This guide highlights five metal kits that balance durability, installation flexibility, and value. Each option is designed for different floor-to-floor heights, diameters, and assembly needs, helping you choose a kit that fits your space and local building requirements.
| Product | Diameter | Floor-to-Floor Height | Treads / Path | Notes |
|---|---|---|---|---|
| Mylen STAIRS Reroute Galvanized Exterior 60″ Diameter | 60″ | 127.5″ – 142.5″ | 14 treads, 26″ clear walking path | Includes 2 x 36″ tall platform rails for loft-mount installations |
| Reroute 36″H Platform 2 Rails Spiral Stair Kit, 42″ Dia | 42″ | 85″ – 95″ | 9 treads, 17″ clear walking path | Primed Black Steel Treads, Black Vinyl Handrail |
| Reroute 36″H Platform 2 Rails Spiral Stair Kit, 42″ Dia, 12’H | 42″ | 93.5″ – 104.5″ | 10 treads, 17″ clear walking path | Raw Aluminum Handrail included, unassembled |
| Mylen STAIRS Reroute Galvanized Exterior 42″ Diameter | 42″ | 93.5″ – 104.5″ | 10 treads, 17″ clear walking path | Includes 2 x 42″ tall platform rails for loft-mount installations |
| Reroute 36″H Platform 2 Rails Spiral Stair Kit, 42″ Dia, 14’H | 42″ | 127.5″ – 142.5″ | 14 treads, 17″ clear walking path | Primed, unassembled |
Mylen STAIRS Reroute Galvanized Exterior 60″ Kit
The 60″ diameter spiral stair kit is designed for exterior use and supports a floor-to-floor height range of 127.5″ to 142.5″ with a 14-tread configuration. It provides a 26″ clear walking path for comfortable ascent and descent. This kit includes two 36″ tall platform rails suitable for loft-mount installations, offering added stability for elevated connections. The galvanized exterior finish enhances weather resistance, making it a strong option for outdoor spaces without compromising structural integrity.
Reroute 36″H Platform 2 Rails 42″ Dia Kit
This 42″ diameter spiral stair kit features primed black steel treads with a black vinyl handrail. It supports a floor-to-floor height range of 85″ to 95″ and includes 9 treads with an 8.5″ to 9.5″ adjustable rise between treads. The 17″ clear walking path provides adequate space for compact installations, making it suitable for interior access between levels in tight spaces.
Reroute 36″H Platform 2 Rails 42″ Dia 12’H
This 42″ diameter kit with 12′ height uses steel treads and a raw aluminum handrail. It comes unassembled and has a floor-to-floor height range of 93.5″ to 104.5″. The kit provides 10 treads with an adjustable rise of 8.5″ to 9.5″ between treads and a 17″ clear walking path, suitable for mid-height interior installations where a durable metal staircase is required.
Mylen STAIRS Reroute Galvanized Exterior 42″ Dia
The 42″ diameter exterior kit fits a floor-to-floor height of 93.5″ to 104.5″ across 10 treads, with a 17″ clear walking path. It includes two 42″ tall platform rails for loft-mount installations. The galvanized exterior finish offers outdoor durability, making this kit a practical choice for exterior access in compact spaces.
Melody Jane Dollhouse Spiral Staircase Kit
This 1:12 scale metal dollhouse stair kit fits miniature space planning for hobby or display purposes. Each step measures about 3/4 inch in height, with a 9-inch ceiling height equivalent at scale. Assembly requires basic tools and some fitting, glue, or soldering. This kit is designed for dollhouse applications rather than full-sized construction.
Dirt Cheap Dungeons Spiral Staircase Kit
This modular kit includes two mini spiral staircases suitable for tabletop gaming layouts and terrain modeling. With injection-molded construction, it offers durability and easy storage in a portable box. The kit is compatible with common 1″ scale tabletop setups and can be integrated into dungeon or tower scenes for games like D&D. It is a compact option for hobby use rather than architectural installation.
Buying Guide: Key Considerations For Metal Spiral Staircase Kits
- Diameter and footprint: Larger diameters (42″–60″) offer wider treads and easier movement but require more floor space. Choose a diameter that fits your room or exterior entryway while meeting code clearance.
- Height range and tread count: Match the floor-to-floor height to the number of treads and the rise between steps. Some kits include adjustable rise, which helps fine-tune fit during installation.
- Material and finish: Galvanized finishes excel outdoors, while primed steel or raw aluminum options suit indoor settings. Consider corrosion resistance, maintenance, and aesthetic.
- Platform rails and loftMount options: Kits with platform rails simplify loft or mezzanine installations and improve stability. Check rail height compatibility with your loft edge or deck.
- Weight capacity and assembly: Verify the rated load capacity (often around 2700 lbs for many kits). Review unassembled versus pre-assembled options and ensure you have the necessary tools and space for assembly.
- Headroom and clearance: Ensure ceiling height and surrounding architectural features allow safe clearance for users and furniture passing beneath the staircase’s apex.
- Intended use: Exterior versus interior use influences material choice and finishing. For high-traffic areas, select a kit with durable treads and a high-quality handrail.
- Code compliance: Local building codes may specify handrail height, baluster spacing, and structural anchors. Confirm that the kit can meet these requirements or plan for professional installation.
- Delivery and unboxing: Some kits arrive unassembled. Check included hardware, hardware finish, and whether specialty tools or epoxy, soldering, or glue are required for assembly.