Disclaimer: We sell new metal buildings only. No repairs (for buildings installed by another carport company), add-ons, or concrete work provided.

American Metal Garages

Certification Requirements

What is a Certified Metal Buildings?

Certified metal buildings is engineered to meet local wind, snow, and seismic load requirements ensuring your steel building is safe and durable. According to American Metal Garages, all certified buildings come with engineer-stamped plans, anchoring systems, and load testing documentation to meet or exceed ASCE 7-22 and IBC building codes. This is especially critical in areas prone to hurricanes, snowstorms, or earthquakes.

What Are Non-Certified Metal Buildings?

A non-certified metal building is any pre-engineered steel structure that hasn’t been tested or engineered for regional code compliance. While it may use the same framing materials, it lacks documentation, wind/snow ratings, and engineer-stamped plans. These are best suited for small sheds, backyard workshops, or temporary storage. They’re not recommended in areas with heavy wind, snow, or seismic activity.​ ​

Certified vs. Non-Certified Metal Garages

Certified Metal Garages Non-Certified Metal Garages
Framing Thickness 14 and 12-gauge options 14 and 12-gauge options
Made to Handle Light Wind and Snow Yes Yes
Maximum Wind Rating 150–180 mph Not Rated
Maximum Snow Load 30 lbs. per square foot Not Rated
Meets or Exceeds Local Building Codes Yes Not Rated
Engineering Drawings Yes No
Stamped/Raised-Seal Plans Yes (fee applicable) No
Tested to Meet Wind and Snow Loads Yes No
Braces Knee Braces on Legs, Peak Braces on Trusses Includes Four Corner Braces
Extra Anchors Yes Available on Request
Meets Safety Standards Yes No
Greater Durability Yes No
Improved Weather Resistance Yes No

Certified Metal Building Standards

While no standardized certification system exists, manufacturers will often base their standards on the average wind, snow, and seismic loads in each region.

1 Wind Loads

Up to 180 mph (Florida, Gulf Coast). Requires additional trusses, bracing, and reinforced anchors.

2 Snow Loads

Much like wind, snow loads account for the pressure on a structure from the weight of snow on the roof. Metal garages in states with heavy snow accumulation will want thicker framing, paneling reinforcements, and additional truss systems. Up to 60 psf (Rocky Mountain & Northern states). Includes heavier framing and denser truss spacing.

3 Seismic Loads​

Seismic loads are generated by the motion of the ground during earthquakes, and buildings in earthquake-prone areas will need to account for potential seismic loads. Designed for lateral forces in earthquake zones per IBC/ASCE. Recommended in CA, UT, NV.

What Types of Anchors Come with Certified Metal Garages?

Certified metal garages use anchoring systems specific to the foundation type.
Concrete Slab

Wedge anchors or
expansion bolts

Ground (Dirt)

Auger-style mobile home anchors

Asphalt

Specialized bolt-in asphalt anchors

According to American Metal Garages, all certified models include extra anchors and bracing as required by wind zone.

What is Included in Our Engineering Plans?

Certified metal buildings feature detailed engineering plans that include design drawings, structural information, and an engineer’s stamp. These plans are required for permit approval in most states and are essential for passing local inspections.

Why Choose American Metal Garages for Certified Metal Garages?

With over 10 years of experience and 5,000+ metal buildings installed nationwide, American Metal Garages is a name you can trust. Whether you need wind-certified, snow-rated, or seismic-tested steel garages—we’ve got you covered..

These certified steel buildings are fully certified for your region’s weather and backed by industry-leading warranties and craftsmanship guarantees.

Call our experts today at 866-801-1084 and discover what our certified metal buildings can do for you.

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