56x40 Steel Barn
A 56×40 steel barn like this is usually chosen by owners who need covered working space more than finished interior rooms. The layout combines a fully enclosed center section with wide lean-tos on both sides, which creates natural separation between storage, equipment access, and open work areas. It’s common to see the center used for secured storage or animals, while the side areas handle equipment, trailers, or daily farm tasks.
The 11-foot wall height in the center keeps the interior usable for taller equipment and improves airflow when doors are open. Open gable ends on the lean-tos make it easy to pull through tractors, implements, or utility vehicles without backing or tight turns. Partial side panels help block wind while keeping the space breathable.
A vertical roof and full insulation help manage moisture and heat over time, especially on buildings that stay active year-round. With roll-up doors on both ends, walk-in access on each side, and windows placed for cross-light rather than decoration, this barn is set up for function first. It’s typically used by farm owners, rural property holders, and buyers who want a working structure that adapts as needs change.
If you’re deciding between a fully enclosed barn and a lean-to layout, LongStar Steel can help you choose based on how you’ll actually move equipment and use the space day to day. Call our building experts today to get your custom steel barn at direct factory prices.
56×40 Steel Barn Specs-
Building Type: Steel Barn with Dual Lean-Tos
Overall Footprint: 56′ W × 40′ L
Center Section Size: 24′ W × 40′ L × 11′ H
Left Lean-To: 16′ W × 40′ L × 8′ H
Right Lean-To: 16′ W × 40′ L × 8′ H
Roof Style: Vertical Roof
Roof Pitch (Center): 4/12
Roof Pitch (Lean-Tos): 1/12
Installation Surface: Concrete
Certification: Built to local wind and snow code requirements
Frame Gauge: 14 GA Galvanized Steel
Ends: Fully Enclosed (Center)
Sides: Fully Enclosed (Center), Partial on Lean-Tos
Panel Orientation: Horizontal Wall Panels
Insulation:
Full Building Insulation (Therma Guard)
Roof Color: Black (29G)
Wall Color: Charcoal (29G)
Trim Color: Black (29G)
Roll-Up Doors:
(2) 10′ × 10′ Roll-Up Doors (Front & Back)
Walk-In Doors:
(2) 34″ × 80″ Steel Man Doors (Left & Right Walls)
Windows:
(8) 24″ × 36″ Steel Windows positioned for cross-light and airflow
Wind Rating: Up to 130 MPH (local code compliant)
Snow Load Rating: 35 PSF
- Berry
- Black
- Bright White
- Charcoal
- Cocoa Brown
- Hawaiian Blue
- Rustic Red
- Ivy Green
- Light Gray
- Saddle Tan
- Taupe
- Ivory
- Galvalume
- Buckskin
- Burnished Slate
- Dark Red
- Evergreen
- Gallery Blue
- Light Stone
- Copper Penny
- Matte Black






A 56×40 steel barn like this is usually chosen by owners who need covered working space more than finished interior rooms. The layout combines a fully enclosed center section with wide lean-tos on both sides, which creates natural separation between storage, equipment access, and open work areas. It’s common to see the center used for secured storage or animals, while the side areas handle equipment, trailers, or daily farm tasks.
The 11-foot wall height in the center keeps the interior usable for taller equipment and improves airflow when doors are open. Open gable ends on the lean-tos make it easy to pull through tractors, implements, or utility vehicles without backing or tight turns. Partial side panels help block wind while keeping the space breathable.
A vertical roof and full insulation help manage moisture and heat over time, especially on buildings that stay active year-round. With roll-up doors on both ends, walk-in access on each side, and windows placed for cross-light rather than decoration, this barn is set up for function first. It’s typically used by farm owners, rural property holders, and buyers who want a working structure that adapts as needs change.
If you’re deciding between a fully enclosed barn and a lean-to layout, LongStar Steel can help you choose based on how you’ll actually move equipment and use the space day to day. Call our building experts today to get your custom steel barn at direct factory prices.
56×40 Steel Barn Specs-
Building Type: Steel Barn with Dual Lean-Tos
Overall Footprint: 56′ W × 40′ L
Center Section Size: 24′ W × 40′ L × 11′ H
Left Lean-To: 16′ W × 40′ L × 8′ H
Right Lean-To: 16′ W × 40′ L × 8′ H
Roof Style: Vertical Roof
Roof Pitch (Center): 4/12
Roof Pitch (Lean-Tos): 1/12
Installation Surface: Concrete
Certification: Built to local wind and snow code requirements
Frame Gauge: 14 GA Galvanized Steel
Ends: Fully Enclosed (Center)
Sides: Fully Enclosed (Center), Partial on Lean-Tos
Panel Orientation: Horizontal Wall Panels
Insulation:
Full Building Insulation (Therma Guard)
Roof Color: Black (29G)
Wall Color: Charcoal (29G)
Trim Color: Black (29G)
Roll-Up Doors:
(2) 10′ × 10′ Roll-Up Doors (Front & Back)
Walk-In Doors:
(2) 34″ × 80″ Steel Man Doors (Left & Right Walls)
Windows:
(8) 24″ × 36″ Steel Windows positioned for cross-light and airflow
Wind Rating: Up to 130 MPH (local code compliant)
Snow Load Rating: 35 PSF
- Berry
- Black
- Bright White
- Charcoal
- Cocoa Brown
- Hawaiian Blue
- Rustic Red
- Ivy Green
- Light Gray
- Saddle Tan
- Taupe
- Ivory
- Galvalume
- Buckskin
- Burnished Slate
- Dark Red
- Evergreen
- Gallery Blue
- Light Stone
- Copper Penny
- Matte Black












