Exterior Spiral Stair kits

Exterior Spiral Stair kits

Exterior iron stairs can complement any home, apartment complex, or commercial property, regardless of the property’s style. For instance, old-world iron stairs have elegant filigree that looks perfect on classical, stately old buildings. New-world iron stairs have straight, clean lines that accent modern, streamlined homes and properties.

When you want the perfect exterior iron stairs for your unique Chicago, IL, property, turn to the experts at Lamonaca Iron Works, Inc. With more than 50 years of experience in the iron and steel industry, we know how to build you the custom iron staircase you’re picturing. Choose us to bring whatever exterior staircase you’ve dreamed about to life.

Luxury and Practicality for Any Building

Exterior iron stairs connect each level of your property, but they’re so much more than practical. They also make a statement about your preferences and tastes. The sleek, hand-crafted ironwork draws attention to your building in the best way possible, enhances its look, and improves your overall property value.

However, when you invest in an iron staircase, not just any product will do. You need a staircase that’s perfectly suited to your character.

At Lamonaca Iron Works, Inc., we custom-make any exterior iron stairs you need and in any size or shape. We also offer basic spiral stair kits in many styles and diameters. Our spiral stair kits can be left- or right-handed. We can offer diameters as large as six feet, but we can also go larger as needed.

Read through our kit options below to see what we can do for you.


Customize Your Iron Stairs in Chicago, IL

Invest in hand-crafted, all-American iron staircases today by choosing Lamonaca Iron Works, Inc. We’re proud to say that we’ve served homeowners, contractors, and property owners throughout Chicago, IL, for decades. We have experience and industry knowledge you can rely on throughout the entire design and installation process.

Call us at 773-638-6633 to see what we can do for you, and don’t forget to read through our options below to start the customization process.

All Steel 10 & 11 gauge materials.

Heavy Duty 10 gauge Steps & platforms.

4″ round step collars easy slide over attachment onto center post.

3 1/2″ O.D. center post.

Both center posts are offered in heavy and standard gauges depending on your spiral kit.

3/4″ x 3/4″ squaretubing balusters for your handrail.

One baluster per step. For your basic spiral stairs.

Three more in between balusters for coded made BOCA Stairs which start at 5′ 0″ diameter.

One 1 1/4″ PVC durable plastic handrail for your main walkway. 
(Easy to install with toggle bolts)

30° steps (per code) for all kits.

90° Square platform for each sprial stairs kits. 

All hardware included with your spiral stairs kits.

All kits are sold & shipped with one coat of black paint.

Stairs can be installed left or right handed.

All stairs kits are availalble in the following diameters Diameters:

3′ 6″, 4′ 0″, 5′ 0″, 5′ 6″, 6′ 0″



 (773) 638-6633


 3311 W. Chicago Ave

Monday: 8am - 8pm
Tuesday: 8am - 8pm
Wednesday: 8am - 8pm
Thursday: 8am - 8pm
Friday: 8am - 8pm

Saturday - Sunday: Closed

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