Standard Spiral Stair Kit Models - Northern Staircase Co.
All spiral stair models are available in metal or aluminum with any tread option, all spirals feature a carpet grade tread as standard and all spirals feature a black powder coat paint finish.
Click on image below to view the Spiral Staircase Model details or just scroll down page.
D-100 Old Faithful
Standard Spiral Staircase Kit – Interior & Exterior Use (Return to Top of Page)
NOTE: Available in metal or aluminum with any tread option, all spirals feature a carpet grade tread as standard and all spirals feature a black powder coat paint finish unless ordering a custom color.

D-100-Old-Faithful
D-100-Old-Faithful
The Old Faithful was one of the first spirals we built and still one of the most popular. We’ve made aesthetic, structural and installation design improvements to it since then, but we are pleased to continue to offer this affordable and simple design. No frills, straightforward, always popular steel profile handrail with steel main and mid balusters.
Model Name: Old Faithful
Model Number: D100
Handrail: Steel standard railcap profile
Balusters: 10110
Treads: Carpet Grade
Shown with standard model options in Black. (Carpet on treads not sold)
Poised steel standard railcap profile handrail with square steel main and mid balusters.
You can create your own stair model by substituting other balusters or panels for those shown.
Standard Features:
- 1-3/4″ Ornamental Metal Rail cap
- 1″ square tube main balusters
- 1/2″ square bar mid balusters
D103 Yellowstone
Standard Spiral Staircase Kit – Interior & Exterior Use (Return to Top of Page)
NOTE: Available in metal or aluminum with any tread option, all spirals feature a carpet grade tread as standard and all spirals feature a black powder coat paint finish unless ordering a custom color.

D103 Yellowstone
D103 Yellowstone
A destination you can choose again and again, the steel main and mid balusters of the Yellowstone spiral are topped with a polished brass profile handrail with enclosed underside.
Model Name: Yellowstone
Model Number: D103
Handrail: Polished Brass standard railcap profile
Balusters: 10110
Shown with options:
Treads: Oak Edge
Paint color: Terratone
Brass handrail is enclosed to smooth, flat surface on the underside.
Most handrails are available in steel, copper or brass.
Standard Features:
- 1-3/4″ Ornamental Brass Rail cap
- 1″ square tube main balusters
- 1/2″ square bar mid balusters
D105 Wildwood
Standard Spiral Staircase Kit – Interior & Exterior Use (Return to Top of Page)
NOTE: Available in metal or aluminum with any tread option, all spirals feature a carpet grade tread as standard and all spirals feature a black powder coat paint finish unless ordering a custom color.

D105 Wildwood
D105 Wildwood
By blending contrasting materials we create a vibrant composition. The red oak handrail of the Wildwood is tamed (completely formed and pre-fit) to the shape of the metal spiral stair. Round painted steel main and mid balusters support the handrail, which is usually shipped, knocked down (KD), in two to four pieces (depending on radius and tread quantity). The laminated wood profile 105-3 can be shipped as one continuous piece for a set up Wildwood stair.
Stair Model: Wildwood
Model Number: D105
Handrail: Red Oak
Balusters: 10190
Shown with options:
Handrail: Red Oak
Treads: Red Oak
Paint color: White
All Knocked Down (KD) stairs can be completely installed by two people in about two hours.
Standard Features:
D105-15 Wildwood
- 1-1/2 ” X 1-1/2″ Red Oak rail cap
- 1″ square tube main balusters or 1″ round tube main balusters
- 1/2″ square bar mid balusters or 1/2″ round bar mid balusters
D105-P (profile) Wildwood
- #6010, #6210 Red Oak Profile rail cap
- 1″ square tube main balusters or 1″ round tube main balusters
- 1/2″ square bar mid balusters or 1/2″ round bar mid balusters
D224N Monterey Bay
Standard Spiral Staircase Kit – Interior & Exterior Use (Return to Top of Page)
NOTE: Available in metal or aluminum with any tread option, all spirals feature a carpet grade tread as standard and all spirals feature a black powder coat paint finish unless ordering a custom color.

D224N Monterey Bay
D224N Monterey Bay
Envision the serenity of a moonlit stroll along a warm Pacifc bay. There are treasures to be found at the water’s edge. The round handrail of the Monterey Bay is supported by round main and mid balusters. Like the Chesapeake Bay stair, baluster and handrail options include a mix of polished brass, brushed stainless and painted steel.
Spiral Model: Monterey Bay
Model Number: D224N
Handrail: Round stainless or round painted steel tube
Balusters: 10190 (steel) or 10272 (stainless) Also available in brass. Please inquire.
Shown with options:
Handrail: Round painted steel
Treads: Carpeted (carpet not sold)
Paint color: Dark Pewter
Combinations include: Painted handrail with painted mid balusters (224-N3), painted handrail and main balusters with brushed stainless mid balusters (224-N25), painted handrail and main balusters with brass mid balusters (224-N2B), complete stair in brushed stainless (224-N1S).
Carpet grade tread and platform covers are included in the price of every spiral stair.
Standard Features:
- 1-1/2″ Diameter tube metal rail cap
- 1″ round tube main balusters
- 1/2″ round bar mid balusters
D450 Sausalito
Standard Spiral Staircase Kit – Interior & Exterior Use (Return to Top of Page)
NOTE: Available in metal or aluminum with any tread option, all spirals feature a carpet grade tread as standard and all spirals feature a black powder coat paint finish unless ordering a custom color.

D450 Sausalito
D450 Sausalito
Let your discovery of this splendid playground welcome you home. Sturdy wire mesh panels attached to round steel end posts and handrail seem to echo with the sound of children at play.
Spiral Model: Sausalito
Model Number: D450
Panels: Wire Mesh
Shown with options:
Treads: Smooth
Paint color: Brick
Wire is welded at every intersection of the mesh and every wire end is welded to either the center of the vertical end posts or the center of the handrail.
Please inquire about fabrication and shipment of a Set Up (SU) spiral stair for exterior use.
Standard Features:
- 1-1/2″ Diameter tube metal rail cap
- 1-1/2″ diameter tube posts and bottom horizontal
- Metal mesh infill (mesh with 2″ X 2″ openings)