Traditional Financing
Through our financing partnersLow monthly payments with competitive rates. Apply online and get a decision fast.
- Competitive rates & low monthly payments
- No early payoff penalties
- Get approved in minutes
SKU: GB1641Up to 43% Off18x40 Metal Carport
Starting at$6,655*Final prices vary by location and customization options.
- Width
- 18'
- Length
- 40'
- Height
- 9'
- Roof
- Vertical
- 20-year rust-through warranty
- Financing & RTO Available
- BBB A+ Accredited
- Since 1997 · 100K+ buildings
Check Your Area
Delivery, certifications & load requirements
Overview
About the 18x40 Metal Carport
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.
- 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 | 18' | Length | 40' |
|---|---|---|---|
| Height | 9' | Floor area | 720 sq ft |
| Capacity | 2 standard vehicles | Roof Style | Vertical Roof |
| Roof Pitch | Approx. 3:12 | Roof length | 41' |
| Structure | Clear span | Frame | 14-gauge galvanized (12-ga upgrade) |
| Panels | 29-gauge | Walls | Horizontal, fully enclosed |
| Gable Ends | Partially Enclosed | Anchoring | Braces & anchors on every leg |
| Garage doors | 2 × 8'×8' | Walk-in door | 1 × 36"×80" |
| Windows | 4 standard | Rust-through warranty | 20 years |
| Panel warranty | 10 years | Workmanship | 30 days |
| Installation | Professional, included | Service area | Nationwide |
| Style | Partially Enclosed Carport | Openings | (3) Dutch-Cut Frameouts |
| Door Type | Open Access Bays | Wall Type | Partial Side Panels |
| Roof Color | Pewter Grey | 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 | ||
| Length | 40' | ||
| Floor area | 720 sq ft | ||
| Roof Style | Vertical Roof | ||
| Roof length | 41' | ||
| Frame | 14-gauge galvanized (12-ga upgrade) | ||
| Walls | Horizontal, fully enclosed | ||
| Anchoring | Braces & anchors on every leg | ||
| Walk-in door | 1 × 36"×80" | ||
| Rust-through warranty | 20 years | ||
| Workmanship | 30 days | ||
| Service area | Nationwide | ||
| Openings | (3) Dutch-Cut Frameouts | ||
| Wall Type | Partial Side Panels | ||
| Trim Color | Pewter Grey | ||
| Intended Use | Car Shelter, Boat Cover, Tractor Cover, Patio Cover, Equipment Storage | ||
| Coverage Area | 720 sq ft | ||
| Top Use Cases | Multi-car parking, Trailer shelter, Farm equipment cover, Outdoor workspace, RV side storage | ||
| Included Parts | Steel frame, Roof panels, Side panels, Trim, Anchoring hardware (varies) | ||
| Structure Design | Open Front Carport with Side Coverage | ||
| Design Highlights | Easy drive-through use, Strong drainage roof, Multi-purpose footprint | ||
| Highlighted Features | Extended 40 ft length, Vertical roof, Partial enclosures, Wide open access |
Can't Find the Right Fit? Design Your 18x40 Metal Carport 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 18x40 Metal Carport – 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 18x40 Metal Carport
What can fit under an 18x40 metal carport?
This size can fit multiple vehicles, boats, trailers, tractors, lawn equipment, or mixed storage depending on layout.
Is 18x40 big enough for a boat and truck?
Yes, many buyers use this size for a pickup truck plus boat or trailer.
What are Dutch-cut frameouts?
Dutch-cut frameouts are trimmed opening sections that improve access and create a cleaner finished look.
Why choose a vertical roof carport?
Vertical roofs improve rain and snow runoff, reduce debris buildup, and are best for long-term durability.
Are the sides fully enclosed?
No, this model includes partially enclosed sides and gables, offering added protection while keeping open access.
Can I fully enclose this carport later?
Yes, many owners upgrade with full side panels, doors, or complete enclosure packages.
Is this good for farm equipment storage?
Absolutely. It is commonly used for tractors, implements, hay tools, and utility trailers.
Is installation included?
Yes, delivery and professional installation are included in qualifying areas.
Can this be used as a patio cover?
Yes, its long open layout also works well for outdoor seating, covered gatherings, or shaded workspace.
How long does a steel carport last?
With proper installation and maintenance, steel carports can last for decades.
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.