Metal Carports
18x40 Metal Carport
SKU: GB1641
Starting at
$6,655*
Delivered & installed — final price varies by location.
*Accessories shown are not included in the base price
18' × 40' × 9'
720 sq ft · Vertical Roof
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Delivery, certifications & load requirements
Need long covered space for vehicles, equipment, or farm use? This 18x40 Metal Carport delivers dependable protection with a strong steel frame, premium vertical roof, and partially enclosed sides for added weather coverage. Its extended 40-foot length makes it ideal for multiple vehicles, boats, trailers, tractors, or outdoor storage needs.
Designed for residential, agricultural, and commercial properties, this carport offers open access with enhanced side protection. Whether you need RV side storage, farm shelter, covered parking, or a multi-use workspace, this durable steel carport is built to perform year after year. Want to order? Call ☎ our experts to customize this building for your home, farm, or business.
Technical Details
Specifications
| SKU | GB1641 |
| Area | 720 SQFT |
| Roof Length | 41' |
| Frame Gauge | 14-Gauge (12-Gauge upgrade available) |
| Panel Gauge | 29-Gauge |
| Material | Galvanized Steel |
| Style | Partially Enclosed Carport |
| Width | 18' |
| Height | 9' |
| Length | 40' |
| Openings | (3) Dutch-Cut Frameouts |
| Door Type | Open Access Bays |
| Wall Type | Partial Side Panels |
| Gable Ends | Partially Enclosed |
| Roof Color | Pewter Grey |
| Roof Pitch | Approx. 3:12 |
| Roof Style | Vertical Roof |
| Trim Color | Pewter Grey |
| Wall Color | Tan |
| Intended Use | Car Shelter, Boat Cover, Tractor Cover, Patio Cover, Equipment Storage |
| Building Type | Metal Carport |
| Coverage Area | 720 sq ft |
| Material Type | Steel |
| Top Use Cases | Multi-car parking, Trailer shelter, Farm equipment cover, Outdoor workspace, RV side storage |
| Frame Material | Galvanized Steel |
| Included Parts | Steel frame, Roof panels, Side panels, Trim, Anchoring hardware (varies) |
| Primary Material | Metal |
| Structure Design | Open Front Carport with Side Coverage |
| Vehicle Capacity | 2 Vehicles / Boat / Trailer / Tractor |
| Design Highlights | Easy drive-through use, Strong drainage roof, Multi-purpose footprint |
| Weather Resistance | Rust resistant, Fade resistant, Rain resistant, Wind resistant |
| Highlighted Features | Extended 40 ft length, Vertical roof, Partial enclosures, Wide open access |
| Customization Options | Full sides, Gable panels, Extra height, Length upgrades, Colors, Enclosure kits |
Can't Find the Right Fit? Design Your 18x40 Metal Carport in 3D
Customize your 18x40 Metal Carport 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 18x40 Metal Carport 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
What can fit under an 18x40 metal carport?
Is 18x40 big enough for a boat and truck?
What are Dutch-cut frameouts?
Why choose a vertical roof carport?
Are the sides fully enclosed?
Can I fully enclose this carport later?
Is this good for farm equipment storage?
Is installation included?
Can this be used as a patio cover?
How long does a steel carport last?
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.