Steel framing contractor in Chicago

The building code assigns every building a construction type, and noncombustible types — common in commercial buildings — require steel framing for interior work. Fire-rated corridors, demising walls and shaft enclosures typically mean steel as well. In houses and small residential buildings, steel is optional rather than required — useful in basements and for long spans, but a choice, not a mandate. We check the base building drawings before quoting, so the material is decided by code, not habit.

Interior steel studs are galvanized — zinc-coated — and in a dry interior wall they simply don't rust. The caveats are real but narrow: persistent water exposure (a chronically leaking wall) and cut edges in genuinely wet environments need detailing. In the damp-adjacent places we recommend steel — like basement furring — it's precisely because steel shrugs off the humidity that would feed rot and mold in lumber.

It can, and occasionally it should be — but usually only in parts. Whole-house steel framing costs more, conducts heat through exterior walls (a real penalty in Chicago winters) and complicates the work of every trade used to lumber. Where steel shines in a house: basement walls against foundation concrete, arrow-straight feature walls and ceilings, and structural beams. Our honest default for houses remains wood, with steel where it earns its place.

Yes. Load-bearing wall removals, widened storefront openings, floor re-supports and mezzanines all run through structural steel, and we install it as part of our framing work: engineer-sized on stamped drawings, shored during the load transfer, bearing traced to footings, city-inspected. Typical installed cost for a steel-beam wall removal runs $8,000–$25,000 depending on span and what's above it.

Steel conducts heat roughly 300 times better than wood, so an uninsulated steel stud in an exterior wall becomes a thermal bridge — a cold stripe you can sometimes see telegraphed on a winter wall. The fixes are standard: continuous exterior insulation over the studs, insulated cavity detailing, or simply using steel where the issue doesn't apply — interior partitions, which is where most steel framing lives anyway. We detail for Chicago winters either way.

A fire rating belongs to a listed assembly, not to the studs alone: a specific tested recipe of stud size and spacing, gypsum board type and layers, fasteners and head-of-wall detail, published under a UL listing. Build the recipe exactly and the wall earns its 1-hour or 2-hour rating; substitute an ingredient and it doesn't, even if it looks identical. We build rated walls to the listing and keep the documentation for the inspector and your records.

Call (773) 969-9097, email bofranbuilders@gmail.com (drawings welcome), or send the project form on this page. We'll identify the assemblies, price the scope and give you a straight answer on cost and schedule — no obligation.