18x40 · Garage

18x40 metal garage

An 18x40 metal garage covering 720 sq ft starts at $7,768, including delivery and professional installation. It is engineer-certified to local snow and wind codes and typically requires a permit due to its size.

18x40 metal garage — Gold Tier Structures
18x40 metal garage — delivered and professionally installed by Gold Tier Structures.

Starting price

$7,768

Delivery & professional installation included.

VerifiedBBB Accredited
CertifiedEngineered to Local Codes
Warranty20-Year Rust-Through
IncludedProfessional Install

Specifications

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An 18x40 metal garage offers 720 square feet of robust and versatile storage or workspace. This 18x40 metal garage is engineered for durability and built to meet local snow and wind codes, providing a reliable shelter for your vehicles, tools, or projects. Because this structure covers 720 sq ft, a permit is typically required in most jurisdictions, ensuring your build complies with regulations.

Choose from framing gauges 12-ga (heavy duty) or 14-ga (standard) and roof styles like regular, A-frame horizontal, and A-frame vertical to tailor your garage to your exact needs. Metal paneling features 26-ga steel for lasting protection. Options for doors and windows allow customization with rollup, walk-in doors, and single-pane windows according to your use case.

Starting at $7,768, this metal garage includes delivery and professional installation through a nationwide network of fulfillment locations, making it a practical and cost-effective solution for your storage and workspace requirements.

18x40 Garage — Specifications & Options
Specification Detail
Dimensions 18' W × 40' L — 720 sq ft clear span
Leg height 8'–20' available
Roof style Regular, A-frame horizontal, A-frame vertical
Framing gauge 12-ga (heavy duty) or 14-ga (standard)
Panel gauge 26-ga roof and walls
Doors & windows Configurable, e.g. 10'×10' rollup doors, 36"×80" walk-in door, 30"×30" single-pane windows
Certification Engineer-certified to local snow & wind codes
Starting price From $7,768 — delivered & installed

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Questions

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How long will it take to get my metal steel building delivered?
Lead times vary by region and current installation schedule in your area. Your sales rep can give you the most accurate estimate for your location.
What kind of warranty is offered?
Upgrade to 12-gauge framing for a 20-year rust-through warranty. Every building includes a 1-year workmanship warranty. Add the optional 100 MPH lifetime wind warranty for ultimate peace of mind. 10-year and 20-year paint warranties are also available to protect against fading, chalking, and peeling. Full details are provided in your contract.
How long does it take to install a metal steel building?
Installation time depends on the building’s size, design complexity, and crew availability in your area. Smaller garages typically go up in a few days to a week, while larger or more custom units can take several weeks. Once your order is placed, the scheduling team will contact you with a precise timeframe for your specific building.
Does the price include delivery and installation?
All prices include both delivery and professional installation unless clearly noted otherwise on your order.
Do I need a permit for my metal building?
Most areas require a permit for any structure larger than 120 sq ft, but requirements vary by location. Always verify exact rules with your local building department or HOA. Plans and calculations are provided when needed.
How long is my quote valid for?
Quotes are valid for one week, though prices can change with steel markets. Contact your sales rep for the latest pricing anytime.
How do these buildings handle heavy snow?
Every building is engineer-certified to local snow and wind loads, and framing is reinforced in snow regions.
What framing and panel gauge options are available for the 18x40 metal garage?
The 18x40 metal garage comes with framing options of 12-ga (heavy duty) or 14-ga (standard) steel, paired with 26-ga roof and wall panels for durable protection.
What are the customization options for doors and windows in this garage size?
You can configure the garage with options such as 10'×10' rollup doors, 36"×80" walk-in doors, and 30"×30" single-pane windows to suit your specific needs.

Want to see it before you price it? Configure size, doors, colors, and openings yourself.

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