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Carport Anchoring & Installation Requirements
The right anchoring system is essential for safety, stability, and permitting. Below is a guide to the anchor types we use, site prep requirements, and when HD anchors are required for permits.
Permits: HD (Heavy-Duty) anchors are required when pulling a permit—engineered plans specify them to meet local wind/snow criteria.
Included: Concrete anchors are included for qualifying slab installs. Mobile Home Anchors (MHA) and Asphalt anchors are available when required by site or county code.
Included: Concrete anchors are included for qualifying slab installs. Mobile Home Anchors (MHA) and Asphalt anchors are available when required by site or county code.
Concrete Anchors (Wedge/Expansion)
Surface: Concrete slab / footing- Standard for slabs, pads, and poured footings.
- Hammer-drilled through base rails; expansion locks in place.
- Often included at no extra cost on eligible installs.
Mobile Home Anchors (Auger)
Surface: Soil / dirt / grass / gravel- Helical augers screw into ground and attach to base rail.
- Commonly required for higher wind ratings/warranty.
Asphalt Anchors
Surface: Asphalt driveway / parking area- Specialized anchors for asphalt’s softer composition.
- Installed with drill; adhesive/sealant for added hold.
Rebar Stakes
Surface: Ground / temporary setup- Basic pin anchors hammered through base rail.
- Less robust than augers; upgrades recommended for wind.
Site Preparation: Level surface required (max slope difference ≈3″). Installers may refuse unlevel or unstable sites for safety and proper anchoring.
Installing on a Concrete Slab
- L-Brackets required when slab and building are flush to prevent water seepage and edge chipping.
- Not required if slab lip is ≥3″ around the building.
FAQs
- Which anchor is right for my site? Concrete for slabs, asphalt anchors for paved drives, MHA or rebar for ground installs.
- Do anchors affect permitting? Yes—engineered plans specify type/quantity for code compliance.
Final anchor type/quantity is determined by engineered drawings based on structure size, site conditions, and local code. Wind warranty eligibility depends on purchasing and installing the specified anchors.
