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Steel-Frame Clear Span Buildings in Wichita, Kansas - Grade 80 Steel Clear-Span Design
STEEL-FRAME CLEAR SPAN BUILDINGS · WICHITA, KS

Steel-Frame Clear Span Buildings in Wichita, KS | Grade 80 Steel Clear-Span Design

Wichita KS Pole Barn Builders offers steel-frame clear span buildings for the entire Wichita metro area. When the requirement is simply the widest possible unobstructed interior, clear-span diaphragm design is the whole conversation.

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115-120 MPH
Ultimate Design Wind Speed
15-20 PSF
Ground Snow Load
30-36 in
Frost Line Depth
4B/4A
ASABE + IECC Standards

Steel-Frame Clear Span Buildings Wichita

When the requirement is simply the widest possible unobstructed interior, clear-span diaphragm design is the whole conversation.

  • Wind rating: 115-120 MPH ultimate
  • Framing principle: Diaphragm design, ASABE EP484.3
  • Steel yield strength: Grade 80, 80,000 PSI
  • Paint finish: SMP or PVDF Kynar 500, 40-yr warranty

How Diaphragm Design Achieves Clear Span

The roof and wall steel panels act as a structural diaphragm under ASABE EP484.3, transferring lateral wind loads down through the endwalls to the foundation.

That shared load path lets us push post spacing and interior span further than a header-and-post system alone could support.

Technical Specs

  • Wind rating115-120 MPH ultimate
  • Framing principleDiaphragm design, ASABE EP484.3
  • Steel yield strengthGrade 80, 80,000 PSI
  • Paint finishSMP or PVDF Kynar 500, 40-yr warranty
  • Panel gauge29-gauge standard, 26-gauge heavy-duty
  • FoundationWidened pad or Perma-Column

Grade 80 Steel and Panel Specification

Grade 80 steel, 80,000 PSI minimum yield strength, is specified for clear-span buildings where panel performance under load matters most.

SMP or PVDF Kynar 500 resin-based paint finishes carry 40-year film integrity warranties, a meaningful factor on a building meant to last decades.

Where Clear-Span Steel-Frame Construction Fits Best

Equipment storage, riding arenas, warehouse and light industrial space, and any use where interior support posts would interfere with function are the clearest fits.

Truss depth and purlin spacing get engineered specifically for the span in question rather than pulled from a standard building's specs.

Steel-Frame Clear Span Buildings detail - Wichita KS post-frame construction

Why We Build It This Way

Anyone can promise a sturdy building. Here's the difference between a generic sales pitch and an actual engineering answer:

"Wide open buildings."
"Grade 80 steel cladding and clear-span truss design let us push width further than post-and-header framing while still meeting your Risk Category."

Meeting Commercial and Institutional Code Requirements

Wide clear-span steel buildings are frequently commercial or institutional, which brings this code vocabulary with them. Commercial, aviation, and assembly-occupancy buildings carry a different code burden than agricultural structures, and the engineering has to show it on paper.

  • Stamped engineered drawings. Required for essentially all commercial post-frame work, referencing the applicable ASCE 7 Risk Category, often Category III or IV for buildings with higher occupancy or critical function.
  • ADA-compliant entry thresholds. Required at commercial and assembly-occupancy entrances, planned into the slab and door jamb detailing from the start rather than retrofitted.
  • Fire-rated wall assemblies. One-hour or two-hour drywall assemblies at demising walls where code requires separation between occupancies or tenant spaces.
  • Interior liner panel packages. 29-gauge white metal liner panels are a common commercial interior finish, paired with continuous wall insulation for code compliance and cleanability.
  • Thickened-edge slabs. Commercial slabs supporting forklift traffic typically need 8 to 12 inch thickened edge footings, well beyond a standard residential slab perimeter, especially at dock and entry points.
  • MABCD plan review. Commercial occupancy in the Wichita metro core typically requires full plan review through the Metropolitan Area Building and Construction Department before a permit is issued.
  • Continuous wall insulation. Required on most commercial occupancies under current energy code, typically achieved alongside the liner panel package rather than as a separate retrofit step.

Typical Cost & Materials

Typical Cost & Materials

Local pricing guides put a basic uninsulated pole barn shell at $20 to $35 per square foot, materials and labor included. An insulated workshop or utility barn with slab, insulation, and doors typically runs $35 to $60 per square foot. As a size reference, a 24x36x10 detached garage or shop shell runs roughly $21,000 to $31,000, or $30,000 to $42,000 with slab and electrical included. We'll give you a written, itemized estimate specific to your project.

$20-$35
Per Sq Ft, Basic Shell
$35-$60
Per Sq Ft, Insulated
30-36 in
Frost Line Depth

Frequently Asked Questions

How wide a clear span can you build?
It depends on truss engineering and roof pitch, but diaphragm design routinely supports wider clear spans than conventional framing at comparable cost.
What's the difference between this and a bolted steel building kit?
A bolted kit is a rigid frame system typically set on a slab. Our clear-span buildings use post-frame diaphragm design, generally faster to erect and less expensive per square foot.
Which paint finish should I choose?
It depends on your budget and desired warranty length. We can walk through SMP and PVDF Kynar 500 options during design.
Is clear-span construction more expensive than standard framing?
Not necessarily. At wide spans it's often less expensive than the structural steel a conventional approach would require for the same open interior.
Can you build during an active farming or livestock operating season?
Yes, we schedule around your operational needs where possible, particularly for livestock buildings where animals can't simply be relocated during construction.
Do you offer financing?
We can point you toward financing options for qualifying projects, including some that pair well with a farm operating loan. Ask during your quote call so we can factor it into your written estimate.
How far in advance should I book?
Scheduling varies by season. Spring and early summer are typically our busiest stretch region-wide, so booking a few weeks ahead gives you more flexibility on start date and crew availability.
Do you offer a warranty on your work?
Yes, we stand behind our framing and installation work, and can walk you through specific warranty terms, including any manufacturer warranty on steel panels and paint finish, during your quote.
Can I see examples of similar buildings you've completed?
Yes, ask during your site visit and we can share reference photos and, where possible, put you in touch with a past client who built something similar.
What information do you need to give me an accurate quote?
Rough dimensions, intended use, your address, and any specific features like extra doors or insulation get you a meaningfully accurate quote. Exact numbers come after a site visit.
Do you handle the whole project, or do I need to hire separate trades?
We manage framing, foundation, and roofing directly, and coordinate concrete, electrical, and plumbing trades on your behalf so you're not managing multiple contractors yourself.
What happens if we find shallow bedrock or bad soil during excavation?
We flag it immediately rather than working around it quietly. Butler County limestone and expansive clay in parts of Sumner County sometimes call for a revised footing approach, and we'll walk you through it before continuing.
Can I make changes to the design after we've started?
Minor changes are usually workable. We'll tell you upfront if a change affects price or timeline before we proceed, so nothing surprises you on the final invoice.
Do you handle HOA architectural approval in the suburban areas?
Yes. Many suburbs in the core ring around Wichita have HOA covenants on paint color, eave overhangs, and masonry accents, and we design around those specific requirements from the start.

Ready to Start Your Steel-Frame Clear Span Buildings Project?

Call now or request a free written quote. Most projects get a same-week site visit.

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