30x40 Metal Buildings
A 30x40 metal building is a versatile space solution, offering around 1,200 square feet of clear-span storage, workshop, or small business use. Built with high-quality steel framing and customizable layouts, these buildings are engineered for durability, wind and snow compliance, and practical day-to-day use, whether you're sheltering vehicles, farm equipment, or setting up a small warehouse. With flexible door, window, and color options, a 30x40 steel building strikes a balance between affordability and functionality for homeowners, farmers, and small business owners.
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Top Selling 30x40 Metal Buildings
34x40x16 Commercial Building with Lean-To
*Prices vary with states and certification requirement
36x40x16 All Vertical Garage
*Prices vary with states and certification requirement
30x45x12 Garage with 12x40x10 Lean-Tos
*Prices vary with states and certification requirement
30x45x15 Vertical Roof Garage
*Prices vary with states and certification requirement
30x45x13 Garage With 12x30x11 Lean Tos
*Prices vary with states and certification requirement
36x40x12/9 Colonial Barn
*Prices vary with states and certification requirement
30x40x13 Metal Garage
*Prices vary with states and certification requirement
30x40x11 Garage
*Prices vary with states and certification requirement
30x45x14 Enclosed Carport
*Prices vary with states and certification requirement
30x40x12 Metal Building
*Prices vary with states and certification requirement
30x40x9 All Vertical Garage
*Prices vary with states and certification requirement
30x40x10 Vertical Roof Carport
*Prices vary with states and certification requirement
30x45x12 Vertical RV Carport
*Prices vary with states and certification requirement
30x40x12 Carport with Storage
*Prices vary with states and certification requirement
30x45x9 Vertical Roof Carport
*Prices vary with states and certification requirement
30x40x12 Steel Carport
*Prices vary with states and certification requirement
30x40 Metal Building Specifications & Compliance
| Feature | Details |
|---|---|
| Building Size | 30 ft (W) x 40 ft (L) x 12 ft (H) – approx. 1,200 sq ft clearspan interior, ideal for 3-4 cars, farm equipment, or workshop setups. |
| Frame Material | Galvanized steel, 14-gauge standard (approx. 2.5” x 2.5”), 12-gauge optional for higher wind/snow loads. |
| Roof Style | Regular, Boxed Eave (A-Frame Horizontal), or Vertical Roof (recommended for heavy snow/water runoff). |
| Wind Load Rating | Engineered for 140 mph; upgradeable to 150-170 mph per local codes. |
| Snow Load Rating | 30 psf standard; upgradeable to 35 psf or as required by local conditions. |
| Anchoring Options | Rebar, mobile home anchors, or concrete wedge anchors for certified installations. |
| Doors & Openings | Custom roll-up doors (8×8, 10×10, 12×10), walk-in doors, window frame-outs available. |
| Roof Pitch | 3:12 to 6:12 pitch for proper drainage and code compliance. |
| Panel Options | 29-gauge steel panels with 26-gauge upgrade; 12+ color options with matching trims. |
| Compliance Standards | Meets/exceeds IBC and local engineering requirements. |
| Warranty | 20-year rust-through on frame, 30-day workmanship warranty. |
| Use Cases | Garage, workshop, farm storage, RV/boat storage, small warehouse, light commercial use. |
| Ventilation & Skylights | Ridge vents, side wall vents, skylights for airflow and daylighting. |
| Drainage Compliance | Vertical roofs meet drainage code recommendations. |
| Customization Options | Lean-tos, cupola, windows, doors, frameouts, partitions for tailored layouts. |
| Color Options | Barn Red, Black, Brown, Burgundy, Clay, Dark Gray, Evergreen, Galvalume, Light Gray, Pebble Beige, Sandstone, Slate Blue, Tan, White, Burnished Slate, Copper, Crimson, Royal Blue. |
30x40 Metal Buildings for Sale
Choosing a 30×40 metal building means securing a durable, customizable space that adapts to your needs while meeting local codes and weather conditions. Whether you need storage for vehicles, equipment, or a dedicated workspace, a 30×40 steel building offers reliable protection and long-term value with low maintenance. Connect with Get Carports your local dealer (800) 691-5221 to customize your building with the right doors, colors, and anchors to match your property and ensure compliance with your region’s standards.
