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50x100 Steel Building Kit

50x100 Steel Building Kit: Built for Big Operations

A 50×100 steel building gives you 5,000 square feet of wide open, column free space. That is the kind of footprint that handles serious agricultural, commercial, industrial, and storage workloads with room to spare.

If you are running a fleet, building out a manufacturing facility, expanding a farm operation, or developing a self storage property, the 50×100 is a size that grows with you.

Why Choose a 50×100 Steel Building

  • 5,000 square feet of clear span space with no interior columns
  • Wide enough for two trucks side by side with room to work
  • Built to handle commercial, industrial, and agricultural workloads
  • Tall wall options for lifts, racking, and large equipment
  • Engineered for your local wind, snow, and seismic codes


Call us today for expert steel construction.
Phone: 877-76-STEEL

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50x100 Steel Building Kit

What's Included With Every Mason Steel Building

Every 50×100 steel building from Mason Steel includes:
  • Red iron rigid I beam steel frame
  • 26 gauge PBR panels on roof and walls
  • Galvalume steel for superior rust and corrosion resistance
  • Fully engineered and stamped drawings for your zip code
  • Anchor bolt plans for your concrete contractor
  • Shipping to your job site

Backed by a 60 year structural warranty and 40 year paint and rust protection warranty. Visit our warranty page to see what is covered.

Popular Uses for a 50x100 Steel Building

A 50×100 footprint is large enough to support full scale commercial and agricultural use. Customers use them for:
  • Commercial warehouses and distribution centers
  • Large equipment and machinery storage
  • Manufacturing and fabrication shops
  • Truck terminals and fleet maintenance
  • Riding arenas and large livestock barns
  • Self storage facility kits
  • Aircraft hangars

Explore related building types at our Commercial and Warehouse Buildings page or our Self Storage Building Kits page.

Customization Options

Every 50×100 steel building can be configured for your operation:
  • Custom wall heights for racking, mezzanines, and tall equipment
  • Multiple overhead doors, walk in doors, and framed openings
  • Office build outs, partitions, and second story mezzanines
  • Insulation packages for any climate
  • Lean tos and side extensions
  • Full color selection for walls, roof, and trim

How the Process Works

  • 1. Request a free quote with your size, location, and intended use
  • 2. Your building is custom engineered for your zip code
  • 3. Permit drawings are prepared for your local code requirements
  • 4. Production runs based on size and season
  • 5. Your kit ships from the nearest hub directly to your property

For a step by step view, visit our Order Process page.

Frequently Asked Questions

5,000 square feet of clear span space.
The 50x100 is a popular size for indoor riding arenas, as well as large livestock and equipment barns.
Mason Steel can engineer your building to support overhead doors of nearly any size, including large drive through doors common on commercial and agricultural operations.
Yes. Every Mason Steel kit ships from the nearest factory or distribution hub to your property.

Get a Free Quote on Your 50x100 Steel Building

Mason Steel Buildings ships factory direct nationwide. Request a free quote, contact us, or design your building online with our 3D Designer.

Request a Free Quote
Design Your Building

Phone: 877-76-STEEL

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