Wide-span shop or barn
40×40 Metal Building
A 40-foot-wide building gives an open floor for equipment, multiple vehicles or a barn with lean-tos. The featured configurations are close to 40×40. Start from a ready-made design below, customize it in 3D, and Steel South will deliver and install it across our 18-state service area.

Featured configuration

Open it in 3D to change the size, height, doors, windows and colors, then send your design for a quote.
42×40×14/11 Metal Barn with 12′ Lean – To – Vertical Roof
| Width | 42 |
|---|---|
| Length | 40 |
| Eave Height | 14/11 |
| Roof Style | Vertical Roof |
| Lean-To | 10×10 Frameout, Fully Enclosed |
| Lean-To Width | 12FT |
| Lean-To Length | 30, 40FT |
| Car Capacity | 3 Car |
| Sides & Ends | Gable Ends, One 10 x 10 Frameout |
| Frame | 14 Gauge Galvanized Steel |
| Frame Tubing | Typically 2.5″ Square Tube |
| Panels | 29 Gauge Steel |
| Panel Profile | 3/4″ Tall, AG PANEL Ribs 9″ OC |
| Paint | 20-year chalk & fade warranty |
| Roof Color | Pewter Gray |
| Wall Color | Pewter Gray |
| Trim Color | Quaker Gray |
More 40×40 configurations
Each design opens in the 3D designer, ready for you to customize.

42×40×13/10 Vertical Horse Barn
42 FT · 40 FT · 13/10 · Vertical Roof

38×40×12/9 Metal Garage with 12′ Lean – To – Vertical Roof
38 FT · 40 FT · 12/9 · Vertical Roof

36×40×12 Metal Garage with 12′ Lean – To – Vertical Roof
36 FT · 40 FT · 12/9 · Vertical Roof
40×40 at a glance
Footprint
40 ft wide × 40 ft long
1,600 sq ft
What fits
- Four or more vehicles
- Tractor and implement storage
- Barn with center aisle
- Large workshop
Wide clear span
Wide buildings suit equipment that needs room to turn. Confirm clear span and door sizes for your largest machine.
40×40 metal building questions
How many square feet is a 40×40 metal building?
A 40×40 building has a 1,600 square foot footprint. Usable interior space depends on framing, doors and layout.
What fits in a 40×40 metal building?
Common uses include: four or more vehicles; tractor and implement storage; barn with center aisle; large workshop. Measure your largest vehicle or equipment to confirm.
How much does a 40×40 metal building cost?
Price depends on building type, eave height, doors, windows, enclosure, certification and your location. Request a quote with your ZIP code for current pricing.
Can I change the doors, height or colors?
Yes. Open any configuration in the 3D designer to change size, roof style, doors, windows, colors and more, then send it to Steel South for a quote.
