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Learn About Our Carport Anchoring System
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Installing A Carport Onto Your Foundation
Concrete anchors are included with concrete foundations.
Concrete Anchors (Wedge Anchors or Expansion Anchors)
- Used for: Concrete slabs or foundations.
- Description: These are heavy-duty bolts that expand when tightened, securing the carport’s base plates to a solid concrete surface. Typically, they’re made of steel and come in sizes like 1/2″ or 5/8″ diameter, depending on the carport’s size and wind load requirements.
- Installation: Drilled into pre-poured concrete with a hammer drill, then tightened to lock in place.
Mobile Home Anchors (Auger Anchors)
- Used for: Soil, dirt, or grassy surfaces.
- Description: These are long, screw-like steel rods (often 30–40 inches) with a helical plate that twists into the ground. They’re attached to the carport frame with straps or cables to resist wind uplift.
- Installation: Screwed into the ground manually or with a tool, ideal for softer surfaces.
Asphalt Anchors
- Used for: Asphalt driveways or lots.
- Description: Similar to concrete anchors but designed for asphalt’s softer composition. These might include spike-like anchors or specialized bolts with wider threads to grip the material.
- Installation: Drilled and secured, often with an adhesive or sealant for extra hold.
Rebar Stakes
- Used for: Temporary setups or softer ground.
- Description: Long steel rebar rods (usually 12–18 inches) driven through the carport’s base rails into the ground. These are simpler and less permanent than auger anchors.
- Installation: Hammered directly into the soil.
Mobile home anchors can also be added to your unit to give you an extra wind warranty.
- Asphalt anchors are latched onto the side of the frame/base rail with a bolt and are approximately 30″ in length.
- Concrete anchors are drilled through the base rail and directly into the concrete.
- Asphalt and concrete anchors can also guarantee the wind warranty when the suggested amount is purchased.
Our manufacturers use 4 types of anchors or “tie-downs” when installing your carport. Rebar anchors (pin anchors) are used for standard installation on ground, gravel, clay, or sand.
Carport anchors include asphalt anchors, concrete anchors, and mobile home anchors (MHA) as an option for ground installation. Concrete anchors are included in the pricing if your build qualifies.
Standard rebar anchors measure approximately 36″ and are hammered through the base rail and into the ground.
They are what is commonly used for ground installations, but many customers like to upgrade to mobile home anchors for the extra durability.
Unlike rebar anchors, MHA (30″) are screwed into the ground and latched to the side of the base rail with a bolt.
The suggested amount of mobile home anchors would have to be purchased to ensure the wind warranty. The wind warranty is optional.
Preparing Your Installation Site For A Carport Or Garage
We suggest that the slope difference be no greater than 3 inches.
Our installers can refuse to install on unlevel/uneven ground.
To ensure everyone’s safety and per company policy, our installers will not install a carport or metal building unless they can ensure that it is properly anchored.
You can always refer to our contract or contact us at 916-385-2138 for further information on choosing the best anchors for your building and site installation.
Installing A Carport On A Concrete Slab
L-Brackets are required when the building and the concrete slab are “flush” or seamless and ensure minimal leakage from rain can enter though the bottom of the structure. It will help prevent chipping to the concrete base over time.
If you allow a lip of 3″ or more of slab around the building, L-Brackets are not necessary.
For more information on exact concrete slab requirements, please contact us.
