40x40 Custom Structure

A 40×40 steel structure with standard 10′ height is usually chosen when flexibility matters more than fitting into a single use. The square footprint makes layout easier, whether the space ends up as a workshop, storage building, or something more customized over time. There’s enough room to divide the interior without forcing everything against the walls, which is often what pushes people toward this size.

The vertical roof helps rain and debris shed instead of sitting, which matters on a wider building. Full enclosure keeps the interior protected year-round, and multiple window and door frame-outs allow light and access to be planned around how the space is actually used. This size is often picked by owners who know their needs may change and want a building that can adapt without starting over. Call building specialist experts at Longstar steel to order your custom metal building at direct factory prices.

Building Specs:

• Building Type: Custom Steel Structure

• Overall Size: 40′ W × 40′ L × 10′ H

• Total Covered Area: 1,600 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, Black (40-Year Panel Warranty – Premium)

• Wall Panels: 29 Gauge Steel, White (40-Year Panel Warranty – Premium)

• Trim Color: Black

• Garage Door:

  • (1) 8′ × 7′ Roll-Up Door

• Walk-In Door:

  • (1) 34″ × 80″ Steel Man Door

• Frame-Outs:

  • (5) Window Frame-Outs (approx. 3′ × 5′)

  • (1) Walk-In Door Frame-Out (approx. 3′ × 7′)

• Ideal for Custom workshop layouts, General storage, Multi-use utility space & Residential or light commercial projects