18x20 Metal Carport
An 18x20 metal carport gives you 360 square feet of covered space with more width than a basic 12-foot-wide carport. It is a practical choice for one vehicle with better side clearance, small trucks, SUVs, motorcycles, mowers, ATVs, and compact two-vehicle coverage in some situations.
18x20 Metal Carport – 360 Sq Ft Wider Single-Car Carport Options
An 18x20 metal carport is a wider carport size for customers who want more side clearance than a 12x20 but do not need a full 20x20 or 24x20 two-car carport. With 18 feet of width and 20 feet of length, this carport provides 360 square feet of covered space for one vehicle with comfortable room around it, or compact coverage for smaller vehicles and equipment.
This size is often considered by homeowners who want easier door opening, more walking room, and better coverage for a small SUV, truck, motorcycle, ATV, mower, or property equipment. It can also be used as a compact two-vehicle shelter depending on vehicle size, but it is usually best viewed as a roomy single-car carport rather than a full two-car carport.
Johnson Carports and Garages helps customers compare carport sizes, roof styles, leg heights, frame gauges, colors, certification options, anchoring, site prep, and installation surfaces before ordering. Whether you are planning an 18x20 metal carport in North Carolina, Virginia, Tennessee, South Carolina, Georgia, West Virginia, Kentucky, or another available service area, we can help you choose the right layout for your property.
Need help pricing an 18x20 metal carport? Call 844-867-6385 for a free quote. No high-pressure sales tactics — just help choosing the right building.
18x20 Metal Carport Quick Specs
An 18x20 carport gives the same square footage as a 12x30, but the layout is completely different. Instead of extra length, the 18x20 gives more width for side clearance, access, and easier daily use.
| Carport Width | 18 feet |
|---|---|
| Carport Length | 20 feet |
| Total Covered Area | 360 square feet |
| Common Use | Roomy single-car carport, compact two-vehicle cover, small SUV cover, small truck cover, motorcycle cover, mower cover, ATV cover, or equipment shelter |
| Vehicle Capacity | Typically one vehicle with better side clearance; may fit two compact vehicles depending on size and desired room |
| Popular Leg Heights | 6 ft, 7 ft, 8 ft, or taller depending on vehicle height and clearance needs |
| Popular Roof Style | Regular roof, boxed eave roof, or vertical roof depending on budget and long-term needs |
| Common Upgrades | Certified structure, vertical roof, taller legs, side panels, gable ends, 12-gauge frame, and concrete or asphalt anchoring |
Is an 18x20 Metal Carport a Good Size?
An 18x20 metal carport is a good size if you want a carport that feels more comfortable than a basic 12-foot-wide single-car carport. The 18-foot width gives extra side clearance for door opening, walking room, loading groceries, accessing tools, or storing small equipment beside the vehicle.
This size can be especially useful when you do not want the larger footprint of a 20x20 or 24x20 carport but still want more usable width than a 12x20. If your main concern is length for a boat, trailer, or extra storage behind the vehicle, a 12x30 or 18x25 may be worth comparing.
An 18x20 carport may work well for:
- One vehicle with better side clearance
- Small SUVs, small trucks, and daily drivers
- Motorcycles, ATVs, mowers, or bicycles
- Compact two-vehicle coverage in some cases
- Customers who want more width than a 12x20
- Driveways that cannot fit a full 24-foot-wide carport
What Can Fit Under an 18x20 Metal Carport?
An 18x20 metal carport provides 360 square feet of covered space. The main benefit is added width, which can make everyday vehicle access easier compared to a narrow single-car carport.
One Vehicle With Room Around It
An 18x20 carport can cover one car, small SUV, or small truck while leaving more room for doors, walking, loading, and access around the vehicle.
Compact Two-Vehicle Coverage
Depending on vehicle size, an 18x20 may be used for two compact vehicles, motorcycles, ATVs, or a vehicle plus smaller equipment.
Equipment and Utility Storage
This size can work well for a mower, motorcycle, ATV, bicycles, pressure washer, outdoor tools, or other property equipment.
An 18x20 metal carport is mostly about added width. If you need more length for a trailer, boat, or equipment behind the vehicle, compare longer carport sizes before ordering.
Common Uses for an 18x20 Metal Carport
Roomy Single-Car Parking
An 18x20 metal carport is commonly used for one vehicle when the customer wants better side clearance than a 12-foot-wide carport.
Small Truck or SUV Coverage
This size may work well for some small trucks and SUVs depending on vehicle length, mirror width, height, and desired walking room.
Motorcycle, ATV, or Mower Shelter
Homeowners may use an 18x20 carport to cover a daily vehicle with motorcycles, ATVs, mowers, bicycles, or yard tools beside it.
Compact Utility Cover
An 18x20 carport can also be used as a covered workspace, outdoor storage cover, equipment shelter, or general-purpose shade structure.
Popular 18x20 Carport Layout Options
An 18x20 metal carport gives more flexibility than a narrow 12-foot-wide carport. Roof style, leg height, side panels, gable ends, and anchoring should be selected around your vehicle size, driveway, and local weather conditions.
Open-Sided Carport
An open-sided layout keeps the carport easy to access from both sides and is usually the simplest and most budget-friendly setup.
Side Panel Protection
Side panels can help block sun, rain, and wind-driven weather, especially if your vehicle or equipment needs more protection.
Gable End Option
A gable end can provide a more finished look and add extra coverage near the roofline on the front or back.
When planning your layout, think about vehicle width, mirror width, door-opening room, walking space, driveway width, drainage, slope, anchoring surface, and whether you want open access from both sides.
Recommended Options for an 18x20 Metal Carport
Since an 18x20 carport is often chosen for extra side clearance, the best options depend on your vehicle size, daily access needs, installation surface, and the level of weather protection you want.
Regular, Boxed Eave, or Vertical Roof
A regular roof is often the budget-friendly choice. A boxed eave roof can provide a cleaner look. A vertical roof is usually the strongest long-term roof option, especially for better runoff.
Proper Leg Height
Choose leg height based on vehicle height, roof clearance, and how open you want the carport to feel. Taller SUVs or trucks may need additional clearance.
Side Panels
Side panels can help block sun and wind-driven rain. They are helpful if the carport faces heavy weather exposure or if you plan to store equipment under it.
Gable Ends
Gable ends can make the carport look more finished and provide additional coverage near the roofline on the front or back.
Certified Structure
Depending on your area, you may want or need a certified carport designed for local wind or snow requirements.
Concrete, Asphalt, Gravel, or Ground Anchoring
The right anchoring method depends on your installation surface. Concrete, asphalt, gravel, and ground installations may require different anchors.
18x20 Metal Carport vs. 12x20 Metal Carport
A 12x20 metal carport gives you 240 square feet of coverage, while an 18x20 metal carport gives you 360 square feet. The extra 120 square feet comes from added width, which can make a big difference for door-opening room, walking space, loading items, and general comfort around the vehicle.
Choose a 12x20 Metal Carport If You Want:
- 240 square feet of coverage
- Basic single-car protection
- A compact narrow footprint
- A smaller budget-friendly carport
- Simple coverage for one vehicle or small equipment
Choose an 18x20 Metal Carport If You Want:
- 360 square feet of coverage
- More side clearance than a 12x20
- Better door-opening room
- More comfortable access around one vehicle
- A wider layout without going to 20 or 24 feet wide
Is an 18x20 Metal Carport Wide Enough for Two Cars?
An 18x20 metal carport may fit two compact vehicles in some cases, but it is usually best viewed as a roomy single-car carport rather than a full two-car carport. If you want comfortable two-car coverage, especially for larger vehicles, a 20x20, 22x20, or 24x20 carport may be a better fit.
Before ordering, measure the full width of each vehicle including mirrors, then think about how much door-opening room and walking space you want. The 18-foot width gives more room than a 12-foot-wide carport, but it may still feel tight for two daily-use vehicles.
Choose 18x20 if you want a wider single-car carport. Choose 20x20 or 24x20 if your main goal is more comfortable two-car coverage.
18x20 Metal Carport Pricing
The cost of an 18x20 metal carport depends on your state, roof style, leg height, frame gauge, certification requirements, panels, gable ends, colors, installation surface, and anchoring method.
Common Price Factors
- State and local delivery area
- Carport width, length, and leg height
- Regular, boxed eave, or vertical roof style
- Open sides, side panels, or gable ends
- 12-gauge or 14-gauge framing
- 29-gauge or 26-gauge panels where available
- Certified or non-certified structure
- Wind and snow load requirements
- Concrete, asphalt, gravel, or ground installation surface
- Anchoring method and site conditions
Get Help Pricing Your 18x20 Carport
Because metal carport prices vary by state, roof style, height, certification, and installation surface, the best way to price your carport is to request a quote based on your exact layout.
Site Prep and Installation Surface Considerations
Before installing an 18x20 metal carport, make sure your site is level, accessible, and ready for installation. Think carefully about driveway width, door-opening room, drainage, slope, property setbacks, anchoring surface, and how the carport will fit your space.
Metal carports can often be installed on concrete, asphalt, gravel, or level ground depending on the building design and anchoring requirements. A concrete pad may be helpful if you want a cleaner parking surface, better drainage control, or a more permanent installation area.
18x20 Metal Carports in NC, VA, TN, SC, GA, WV, and KY
Johnson Carports and Garages helps customers compare 18x20 metal carport options across multiple service areas, including North Carolina, Virginia, Tennessee, South Carolina, Georgia, West Virginia, Kentucky, and surrounding areas where available.
Building requirements can vary by state, county, and city. Wind load, snow load, permits, setbacks, HOA rules, installation surface, and local zoning rules may all affect your project. Before ordering an 18x20 metal carport, it is smart to check local requirements and make sure the layout works for your property.
North Carolina
Popular for roomy single-car coverage, small SUV coverage, compact truck protection, mower storage, motorcycles, ATVs, and residential driveway use.
Virginia
Useful for homeowners who need more width than a 12-foot carport without moving to a larger two-car structure.
Tennessee and Nearby States
A practical size for rural properties, compact parking areas, property equipment, lawn equipment, and wider single-car protection.
How This Page Is Different From Other Carport Size Pages
An 18x20 metal carport page should focus on width and side clearance. It should not compete directly with 12x20, which is basic compact single-car coverage, or 12x30, which is about added length and extra storage behind the vehicle.
This page should also stay different from full two-car pages like 20x20, 22x20, and 24x20. An 18x20 is best positioned as a roomy single-car or compact utility carport, not the main two-car carport page.
18x20 Metal Carport FAQs
How many square feet is an 18x20 metal carport?
An 18x20 metal carport has 360 square feet of covered space. This is calculated by multiplying 18 feet wide by 20 feet long.
Is an 18x20 metal carport good for one vehicle?
Yes, an 18x20 metal carport can be a good option for one vehicle when you want more side clearance, better door-opening room, and easier access than a 12-foot-wide carport.
Can an 18x20 metal carport fit two cars?
An 18x20 carport may fit two compact vehicles in some cases, but it may feel tight for daily use. For more comfortable two-car coverage, compare 20x20, 22x20, or 24x20 carports.
Is an 18x20 better than a 12x20 carport?
An 18x20 carport may be better if you want more width, better side clearance, easier door opening, or space for small equipment beside the vehicle. A 12x20 may be enough for basic compact coverage.
What roof style is best for an 18x20 metal carport?
A regular roof can be a budget-friendly choice, while a vertical roof is often preferred for better water, snow, and debris runoff. The best roof style depends on your budget, location, and long-term needs.
What leg height should I choose for an 18x20 carport?
The best leg height depends on your vehicle height and desired clearance. Taller SUVs or trucks may need additional leg height.
Do I need a permit for an 18x20 metal carport?
Permit requirements vary by city, county, and state. Check with your local building department about permits, setbacks, zoning, HOA rules, anchoring, and inspection requirements before ordering.
How much does an 18x20 metal carport cost?
Pricing depends on your state, roof style, leg height, frame gauge, certification, panels, gable ends, installation surface, and anchoring method. For the most accurate price, request a quote based on your exact layout.
Get a Free Quote on an 18x20 Metal Carport
Not sure if an 18x20 metal carport is the right size? Johnson Carports and Garages can help you compare sizes, roof styles, leg heights, colors, side panels, certification options, and installation surfaces before you order.
Call today for a free quote and helpful guidance. No high-pressure sales tactics — just help choosing the right building for your property.