Manhattan Spiral Stair Kit | Quick-Ship Indoor Italian Spiral Staircase
The Manhattan Spiral Stair Kit is a masterpiece of Italian design, combining contemporary aesthetics with exceptional functionality. Available in three diameters (47", 55", and 63"), this indoor spiral staircase features painted steel steps with anti-slip strips for added safety, supported by durable painted steel spacers for long-lasting stability and style.
Built for flexibility, the Manhattan offers adjustable rise options from 8-1/4" to 9" and a universal landing that adapts to square or round floor openings, making this spiral stair kit easy to fit into a wide range of spaces. The 47" diameter is ideal for tight lofts and secondary access, the 55" balances comfortable treads with a compact footprint, and the 63" is IRC compliant for primary staircase use where local code permits. Designed for floor-to-floor heights from 6' 10-5/8" to 12' 7/8" with extra steps, the Manhattan ships ready for straightforward DIY installation with common tools.
Personalize your staircase with elegant color options (white with gray accents or black) to complement any interior. The round composite handrail provides a sleek finishing touch, while painted steel vertical columns deliver a secure, stylish railing system. Elevate your home with the Manhattan Spiral Stair Kit, where modern design meets authentic Italian craftsmanship.
Manhattan Spiral Stair Kit Specifications
| Specification | Details |
|---|---|
| Stair Diameter | 47" (120 cm), 55" (140 cm), 63" (160 cm) |
| Step Material | Painted steel with anti-slip strips |
| Structure Material | Painted steel spacers |
| Handrail | Round composite |
| Colors Available | White with gray accents, or black |
| Adjustable Rise | Min. 8-1/4" (21 cm) to Max. 9" (23 cm) |
| Height Range | 6' 10-5/8" (210 cm) to 12' 7/8" (368 cm) with extra steps |
| Number of Steps | 10 to 16 (depending on height) |
| Landing | Universal landing with 60° opening (square or round) |
| Railing | Painted steel vertical columns |
| Opening Required | Minimum 2" larger than stair diameter on each side: 49" x 49" for 47"D, 57" x 57" for 55"D, 65" x 65" for 63"D |
| Code Compliance | IRC Compliant: 63"D only. Always verify requirements with your local code enforcement officer. |
| Package Dimensions | Varies by model (e.g., 47" x 37" x 24" for base kit with no additional steps) |
| Weight | 337 lbs to 451 lbs |
| Country of Origin | Made in Italy |
Number of Steps vs. Floor-to-Floor Height
| Number of Steps | Packaging | Height Between Floors (H) |
|---|---|---|
| 10 steps | 1 box | Min. 6' 10-5/8" (210 cm) to Max. 7' 6-1/2" (230 cm) |
| 11 steps | 1 box | Min. 7' 7" (231 cm) to Max. 8' 3-5/8" (253 cm) |
| 12 steps | 1 box | Min. 8' 3-1/4" (252 cm) to Max. 9' 5/8" (276 cm) |
| 13 steps | 1 box | Min. 8' 10-1/2" (273 cm) to Max. 9' 9-3/4" (299 cm) |
| 14 steps | 1 box + 1 extra step | Min. 9' 7-3/4" (294 cm) to Max. 10' 6-3/4" (322 cm) |
| 15 steps | 1 box + 2 extra steps | Min. 10' 4" (315 cm) to Max. 11' 3-7/8" (345 cm) |
| 16 steps | 1 box + 3 extra steps | Min. 11' 1/4" (336 cm) to Max. 12' 7/8" (368 cm) |
| Weight(LBS) | 0.000000 |
|---|---|
| Request Quote | No |
