Metal Barns
48x45x12/9 Seneca Barn
SKU: GB1824
Starting at
$24,558*
Delivered & installed — final price varies by location.
*Accessories shown are not included in the base price
48' × 45' × 12'
2,160 sq ft · Vertical Roof
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Delivery, certifications & load requirements
Looking for a versatile barn that combines secure enclosed storage with expansive covered space? This 48x45x12/9 Seneca Barn offers the perfect solution for agricultural, residential, and commercial applications. Featuring a 24'x45' enclosed center section with 12'x45' lean-tos on both sides, this barn provides approximately 2,160 square feet of total covered space for livestock, equipment, vehicles, and farm operations.
The fully enclosed center section provides 1,080 square feet of secure storage, while the two 540-square-foot lean-tos create additional covered areas for tractors, trailers, hay, livestock, horse stalls, or outdoor workspaces. Built with a durable 14-gauge galvanized steel frame and engineered to meet 140 MPH wind and 35 PSF snow load requirements, this Seneca barn delivers dependable year-round protection in demanding weather conditions.
The barn features two front-entry garage doors—an 8'x8' roll-up door and a 9'x8' roll-up door—allowing convenient access for tractors, UTVs, equipment, and vehicles. The left lean-to also includes a 36"x80" walk-in door and a 30"x30" window, providing easy access and natural lighting for daily operations.
Finished in attractive Galvalume with King Blue roofing and trim, this Seneca barn combines durability, functionality, and modern curb appeal. Whether you need horse shelter, livestock housing, farm equipment storage, hay storage, or a multi-purpose agricultural building, this structure offers exceptional flexibility and value.
Delivery and professional installation are included. Call now for free custom quote.
Technical Details
Specifications
| SKU | GB1824 |
| Area | 2160 SQFT |
| Panel Gauge | 29-Gauge |
| Material | Galvanized Steel |
| Brand | Garage Buildings |
| Width | 48' |
| Height | 12' |
| Length | 45' |
| Windows | (1) 30"x30" Standard Window |
| Delivery | Free Delivery on Your site |
| Roof Color | King Blue |
| Roof Style | Vertical Roof |
| Roof pitch | 3/12' |
| Trim Color | King Blue |
| Wall Color | Galvalume |
| Frame Gauge | 14 Gauge Galvanized Steel |
| Ideal Uses: | Horse Barn, Livestock Shelter, Farm Equipment Storage, Hay Storage, Workshop, RV & Trailer Storage |
| Roof Length | 46' |
| Installation | Free Installation on Your Pad |
| Service Area | Nationwide |
| Walk-In Door | (1) 36"x80" Walk-In Door |
| Building Type | Seneca Metal Barn |
| Garage Doors: | (1) 8'x8' Roll-Up Door, (1) 9'x8' Roll-Up Door |
| Center Section | Fully Enclosed Horizontal Panels |
| Certification: | 140 MPH Wind Load / 35 PSF Snow Load Certified |
| Frame Material | Heavy-Duty Galvanized Steel |
| Install Location | North Carolina |
| Structure Design | Raised Center Barn with Dual Lean-Tos |
| Vehicle Capacity | 4–8 Vehicles (Depending on Layout) |
| Total Covered Area | 2,160 Sq. Ft. |
| Center Enclosed Area | 1,080 Sq. Ft. |
| Installation Surface | Concrete Slab |
| Estimated Peak Height: | Approx. 15.75' |
Can't Find the Right Fit? Design Your 48x45x12/9 Seneca Barn in 3D
Customize your 48x45x12/9 Seneca Barn with different roof styles, colors, dimensions, garage doors, walk-in doors, windows, insulation, lean-tos, certification options, and other available upgrades.
Our free 3D Building Designer lets you personalize every detail, compare different layouts, and visualize your building before requesting a quote—helping you design the perfect structure for your property and needs.
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Bad credit? No credit? No problem. Get your building now and pay monthly. Our trusted RTO partners — EZPay Buildings (exclusive 48-month terms for renters), RTO National, and Heartland (up to 60 months) — offer no-credit-check, same-day approval for amounts up to $20,000.
Call For Free QuoteReady to Make the 48x45x12/9 Seneca Barn Yours?
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Got Questions? We've Got Answers
What is a Seneca barn?
How much usable space does this 48x45 Seneca barn provide?
What can I use this Seneca barn for?
Can the lean-tos be enclosed later?
What are the benefits of a vertical roof?
Do I need a permit before installing this barn?
What type of foundation is required?
Can this barn be customized?
Essential Resources
Before You Buy
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