40x35 Heavy-Duty Steel Building
A 40×35 heavy-duty steel building with 12′ height is usually chosen when width matters more than length. The extra span across the front makes it easier to park large vehicles, move equipment side-to-side, or set up work areas without everything competing for the same space.
The vertical roof helps manage runoff and debris, which becomes more noticeable on wider buildings over time. Two large roll-up doors handle equipment or vehicle access without forcing everything through a single opening, while the walk-in door keeps everyday entry simple. This size is often used for equipment storage, workshop setups, or mixed residential and farm use where flexibility matters more than dividing the space into rooms.
If you’re comparing layouts or door placement, LongStar Steel can review site conditions and intended use to make sure the configuration matches how the space will actually be used.
40×35 Heavy-Duty Steel Building Specs-
Building Type: Heavy-Duty Steel Garage / Utility Building
Overall Size: 40′ W × 35′ L × 12′ H
Total Covered Area: 1,400 sq. ft.
Roof Style: Vertical Roof
Roof Pitch: 4/12
Installation Surface: Concrete
Certification: Built to local wind and snow code requirements
Frame Gauge: 14 GA Galvanized Steel
Ends: Fully Enclosed
Sides: Fully Enclosed
Panel Orientation: Horizontal Wall Panels
Roof Panels: 29 Gauge Steel, Burnished Slate (40-Year Panel Warranty – Premium)
Wall Panels: 29 Gauge Steel, Saddle Tan (40-Year Panel Warranty – Premium)
Trim Color: White
Garage Doors:
(2) 10′ × 10′ Roll-Up Doors with Chain Hoist – Front Wall
Garage Door Color: Satin White
Walk-In Door:
(1) 34″ × 80″ Steel Man Door – Front Wall
Best suited for wide vehicle or equipment storage, workshop layouts needing front clearance, residential or farm utility use and light commercial applications
- 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 40×35 heavy-duty steel building with 12′ height is usually chosen when width matters more than length. The extra span across the front makes it easier to park large vehicles, move equipment side-to-side, or set up work areas without everything competing for the same space.
The vertical roof helps manage runoff and debris, which becomes more noticeable on wider buildings over time. Two large roll-up doors handle equipment or vehicle access without forcing everything through a single opening, while the walk-in door keeps everyday entry simple. This size is often used for equipment storage, workshop setups, or mixed residential and farm use where flexibility matters more than dividing the space into rooms.
If you’re comparing layouts or door placement, LongStar Steel can review site conditions and intended use to make sure the configuration matches how the space will actually be used.
40×35 Heavy-Duty Steel Building Specs-
Building Type: Heavy-Duty Steel Garage / Utility Building
Overall Size: 40′ W × 35′ L × 12′ H
Total Covered Area: 1,400 sq. ft.
Roof Style: Vertical Roof
Roof Pitch: 4/12
Installation Surface: Concrete
Certification: Built to local wind and snow code requirements
Frame Gauge: 14 GA Galvanized Steel
Ends: Fully Enclosed
Sides: Fully Enclosed
Panel Orientation: Horizontal Wall Panels
Roof Panels: 29 Gauge Steel, Burnished Slate (40-Year Panel Warranty – Premium)
Wall Panels: 29 Gauge Steel, Saddle Tan (40-Year Panel Warranty – Premium)
Trim Color: White
Garage Doors:
(2) 10′ × 10′ Roll-Up Doors with Chain Hoist – Front Wall
Garage Door Color: Satin White
Walk-In Door:
(1) 34″ × 80″ Steel Man Door – Front Wall
Best suited for wide vehicle or equipment storage, workshop layouts needing front clearance, residential or farm utility use and light commercial applications
- 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
















