30x40 Metal Garage

A 30×40 metal garage with a 12-foot wall height is usually where layout starts to work.  There’s enough width to park without squeezing, and enough depth to keep storage or equipment behind the vehicle without blocking access. Once shelving or a workbench goes in, the space still functions instead of closing in on itself.

The vertical roof isn’t about looks. It sheds water and debris instead of holding it, which reduces long-term wear on the panels. On buildings this size, that difference shows up after a few seasons. Having three roll-up doors changes how the building gets used day to day — vehicles and equipment can move independently instead of everything sharing one opening. The walk-in door ends up handling most foot traffic, which keeps the main doors from being overused.

Fully enclosed walls keep weather out and limit temperature swings, and the light gray finish is practical. It reflects heat better than darker colors and doesn’t stand out on residential properties. Buyers who land on this size usually already know smaller garages won’t meet their needs, but they also don’t want to step into oversized commercial construction. This size fills that gap cleanly.

Just a solid residential garage you always wished for, customized per your liking. Delivery & installation- comes included! Call our building experts today to order your custom steel garage at direct factory prices.

30×40 Metal Garage Specs:

• Overall Size: 30′ W × 40′ L × 12′ H

• Total coverage Area: 12000 SQ. FT

• Building Type: Enclosed Steel Garage

• Roof Style: Vertical Roof

• Roof Pitch: 4/12

• Installation Surface: Concrete

• Certification: Built to local wind & snow code

• Frame: 14-Gauge Galvanized Steel

• Ends: Fully Enclosed

• Sides: Fully Enclosed

• Panel Orientation: Horizontal Wall Panels

• Roof Color: Light Gray (29G)

• Wall Color: Light Gray (29G)

• Trim Color: White (29G)

• Wainscot: Light Gray (29G)

• Garage Doors:

  • (3) 10′ × 10′ Roll-Up Doors — Right Wall

  • Door Color: Satin White

• Walk-In Door:

  • (1) 34″ × 80″ Steel Man Door — Front Wall

• Wind Rating: Up to 130 MPH (code-compliant)

• Snow Load Rating: 35 PSF

• Panel Warranty: 10 Years