Metal Workshops
30x40 Steel Workshop Building
SKU: GB1584
Starting at
$17,360*
Delivered & installed — final price varies by location.
*Accessories shown are not included in the base price
30' × 40' × 12'
1,200 sq ft · Vertical Roof
Check Your Area
Delivery, certifications & load requirements
The 30x40 Steel Workshop Building is built for performance—giving you the space, strength, and access needed to run a serious workspace. With 1,200 sq ft of open interior, this building is perfect for mechanics, hobbyists, and small business owners who need a reliable and efficient work environment.
Equipped with two 10’x10’ roll-up garage doors, this workshop allows easy entry and exit for multiple vehicles, making it ideal for auto repair, equipment handling, or workflow efficiency. The walk-in door adds convenient daily access, while the side window brings in natural light for a more comfortable working space.
The vertical roof system improves durability by directing water and debris away from the structure, reducing maintenance over time. Built with a 14-gauge galvanized steel frame and 29-gauge metal panels, this workshop is engineered to handle demanding use and varying weather conditions.
Whether you're running a garage, setting up a fabrication space, or creating a dedicated work zone, this 30x40 workshop delivers the flexibility and strength you need. Call us now to order your custom metal building for best prices.
Technical Details
Specifications
| SKU | GB1584 |
| Area | 1200 SQFT |
| Frame Gauge | 14-Gauge (12-Gauge upgrade available) |
| Panel Gauge | 29-Gauge |
| Material | Galvanized Steel |
| Gauge | 14 GA (2½”) |
| Width | 30' |
| Brand | Garage Buildings |
| Height | 12' |
| Length | 40' |
| Windows | 1 |
| Wainscot | Charcoal |
| Roof Color | Slate Blue |
| Roof Pitch | 3/12 |
| Roof Style | Vertical |
| Trim Color | Slate Blue |
| Wall Color | Slate Blue |
| Garage Door | 2 |
| Roof Length | 41' |
| Wall Panels | 29-Gauge Sheet Metal Siding |
| Intended Use | Workshop, Auto Repair Shop, Storage, Business Use |
| Walk-in Door | 1 |
| Coverage Area | 1,200 sq ft |
| Top Use Cases | Mechanic shop, car repair garage, fabrication space, tool storage, small business workspace |
| Frame Material | Galvanized Steel |
| Frame Warranty | 20-Year Frame Warranty |
| Included Parts | Steel frame, roof panels, wall panels, trim, anchors, hardware (varies) |
| Structure Type | A-Frame |
| Garage Door size | (2) 10’x10′ Roll-Up Garage Doors |
| Structure Design | Clear Span Interior |
| Vehicle Capacity | 2–4 Vehicles / Equipment |
| Design Highlights | Efficient workflow layout, wide entry points, modern metal finish |
| Garage Door Color | High Gloass White |
| Weather Resistance | Rust resistant, Rain resistant, Wind resistant, UV resistant |
| Highlighted Features | Dual garage doors, spacious layout, high accessibility, heavy-duty frame |
| Installation Surface | Concrete |
| Resistant to Weather | Engineered for Wind & Snow Loads |
| Customization Options | Additional doors, windows, insulation, ventilation, colors, certification upgrades |
| Wall Panel Orientation | Horizontal (Fully Enclosed) |
Can't Find the Right Fit? Design Your 30x40 Steel Workshop Building in 3D
Customize your 30x40 Steel Workshop Building 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.
Flexible Payments
Affordable Payment Options
Traditional Financing
Low monthly payments with competitive rates through our financing partners. No early payoff penalties. Get approved in minutes.
See Financing OptionsRent-to-Own — No Credit Check
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 30x40 Steel Workshop Building Yours?
Get a personalized quote with your exact customizations — color, doors, windows, and more. It's free, fast, and there's zero obligation.
Got Questions? We've Got Answers
Why choose a dual-door workshop?
Is this suitable for an auto repair business?
Can I add lifts or heavy equipment inside?
Do I need insulation for year-round use?
How much does a 30x40 workshop cost?
Is installation included?
Essential Resources
Before You Buy
Everything you need to make a confident decision on your metal building purchase.
Talk to a Building Specialist
Not sure about sizing, roof style, or options? Our team has 29+ years of experience and will help you find exactly what you need.

