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SKU: GB1586Up to 43% Off30x40 Premium Steel Building
Starting at$16,935*Final prices vary by location and customization options.
- Width
- 30'
- Length
- 40'
- Height
- 12'
- Roof
- Vertical
- 20-year rust-through warranty
- Financing & RTO Available
- BBB A+ Accredited
- Since 1997 · 100K+ buildings
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Delivery, certifications & load requirements
Overview
About the 30x40 Premium Steel Building
The 30x40 Premium Steel Building is designed for those who need more than just basic storage—it’s built for strength, durability, and a clean, modern look. With a 14-gauge steel frame and vertical roof design, this structure delivers long-term performance in all weather conditions while maintaining a sleek, professional appearance.
With 1,200 sq ft of usable space and a taller 12 ft height, this building is ideal for garages, workshops, commercial storage, or small business operations. The 12’x10’ roll-up garage door allows easy access for larger vehicles and equipment, while the walk-in door provides convenient everyday entry.
The two-tone wall paneling adds a premium aesthetic, making this building a great fit for both residential and commercial properties. Whether you're storing vehicles, running a workshop, or expanding your workspace, this steel building is built to handle it all. Call our building experts to order your custom steel garage at the best prices.
- Vertical roof built to local code3/12 pitch sheds rain and snow fast.
- 14-gauge frameGalvanized steel; 12-gauge upgrade available.
- Braces and anchorsOn every leg for added stability.
Product details
Specifications, Colors & Buying Guide
| Width | 30' | Length | 40' |
|---|---|---|---|
| Height | 12' | Floor area | 1200 sq ft |
| Capacity | 2 standard vehicles | Roof Style | Vertical |
| Roof pitch | 3/12 | Roof length | 41' |
| Structure | Clear span | Frame | 14-gauge galvanized (12-ga upgrade) |
| Panels | 29-gauge | Walls | Horizontal, fully enclosed |
| Gable Ends | Fully Enclosed | Anchoring | Braces & anchors on every leg |
| Garage doors | 2 × 8'×8' | Walk-in Door | 1 |
| Windows | 4 standard | Rust-through warranty | 20 years |
| Panel Warranty | 10-Year Paneling Warranty | Workmanship | 30 days |
| Installation | Professional, included | Service area | Nationwide |
| Area | 1200 Sq. Ft. | Brand | Garage Buildings |
| Gauge | 14 GA (2½”) | Wainscot | Charcoal |
| Door Type | Roll-Up Garage Door + Walk-In Door | Wall Type | Fully Enclosed |
| Roof Color | Quaker Gray | Trim Color | Charcoal |
| Wall Color | Quaker Gray | Wall Panels | 29-Gauge Sheet Metal |
| Intended Use | Garage, Workshop, Storage, Commercial Building | Certification | Built to Local Code |
| Roll Up Door | (1) 12’x10′ Roll-Up Garage Door | Top Use Cases | Auto workshop, contractor storage, business operations, equipment storage, hobby workspace |
| Building Style | Garage / Workshop / Commercial Buildin | Frame Material | Galvanized Steel |
| Included Parts | Steel frame, roof panels, wall panels, trim, anchors, hardware (varies) | Structure Type | A-Frame |
| Structure Design | Clear Span Steel Structure | Vehicle Capacity | 2–3 Vehicles / Equipment / Machinery |
| Design Highlights | Modern two-tone finish, high clearance entry, strong structural integrity | Garage Door Color | High Gloss White |
| Weather Resistance | Rust resistant, Rain resistant, Wind resistant, UV resistant | Installation Surface | Concrete |
| Customization Options | Extra doors, windows, insulation, color choices, certification upgrades | Wall Panel Orientation | Horizontal (Fully Enclosed) |
| Length | 40' | ||
| Floor area | 1200 sq ft | ||
| Roof Style | Vertical | ||
| Roof length | 41' | ||
| Frame | 14-gauge galvanized (12-ga upgrade) | ||
| Walls | Horizontal, fully enclosed | ||
| Anchoring | Braces & anchors on every leg | ||
| Walk-in Door | 1 | ||
| Rust-through warranty | 20 years | ||
| Workmanship | 30 days | ||
| Service area | Nationwide | ||
| Brand | Garage Buildings | ||
| Wainscot | Charcoal | ||
| Wall Type | Fully Enclosed | ||
| Trim Color | Charcoal | ||
| Wall Panels | 29-Gauge Sheet Metal | ||
| Certification | Built to Local Code | ||
| Top Use Cases | Auto workshop, contractor storage, business operations, equipment storage, hobby workspace | ||
| Frame Material | Galvanized Steel | ||
| Structure Type | A-Frame | ||
| Vehicle Capacity | 2–3 Vehicles / Equipment / Machinery | ||
| Garage Door Color | High Gloss White | ||
| Installation Surface | Concrete | ||
| Wall Panel Orientation | Horizontal (Fully Enclosed) |
Can't Find the Right Fit? Design Your 30x40 Premium Steel Building in 3D
Customize roof styles, colors, dimensions, doors, windows, insulation, lean-tos and certifications with our free 3D Building Designer before requesting a quote.
Flexible Payments
Affordable Payment Options
Two simple ways to pay for your 30x40 Premium Steel Building – with or without a credit check.
HFSFinancial
Rent-to-Own
Bad credit? No credit? No problem.- Up to
- $20,000
- Terms up to
- 60 mo
- Approval
- Same day
- EZPay Buildings48-month terms
- RTO NationalNo credit check
- HeartlandUp to 60 months
FAQ
Frequently Asked Questions about 30x40 Premium Steel Building
How much does a 30x40 concrete slab cost?
A 30x40 slab (1,200 sq ft) usually costs between $9,600 and $18,000, depending on thickness and site preparation.
Is 12 ft height enough for larger vehicles?
Yes, it can accommodate trucks, trailers, and most equipment, especially with the 12’x10’ garage door.
Can I customize this building?
Yes, you can modify doors, colors, windows, insulation, and certifications.
Do I need a concrete foundation?
A concrete slab is recommended for stability, durability, and proper anchoring.
Is this suitable for commercial use?
Absolutely. Many customers use this size for workshops, storage facilities, and small business operations.
Does it include installation?
Yes, delivery and professional installation are included in most cases.
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.