About Terra Grips
FAQ
While the center of the Terra Grip Anchor might resemble a larger ground screw or helical pile, it is much smaller (approx 1.5” thick by 25” long) thus much easier to install, and used with its accompanying 1/2” thick screw rods. When installed correctly, the load-carrying technology of these screw in ground anchors is far more advanced. Unlike thick pipe ground screws or helical piles that have to be driven into the ground by specialized heavy machinery, Terra Grip Anchors are easily installed by one person with a standard high torque impact driver. Mimicking the roots of a tree, the rods enable strong stability in most types of soil with minimal risk of obstruction. Please refer to the Installation Manual for full installation details.
Traditional helical piers and helical piles often require heavy machinery, specialty installation tools, or professional installers. Terra Grip Anchors deliver the same core benefits—strength, stability, and long-term performance—but install using a standard impact driver with no excavation, no concrete, and no cure time. In combination, the compact 25" anchors and 6' rods have exceptional load carry.
Yes. Terra Grip Anchors are specifically designed to function as deck anchor footings, providing a secure foundation for deck framing without digging holes or pouring concrete.
A properly installed ground screw foundation is extremely strong and performs well under vertical and lateral loads. Terra Grip Anchors are engineered for deck and structural applications and are especially effective in stony or compacted soils where concrete footings can crack or fail.
Absolutely. Terra Grip Anchors are ideal shed anchors, garden shed anchors, and storage shed ground anchors. They prevent movement, uplift, and settling—without the cost or mess of concrete pads.
Installing a Terra Grip anchor footing typically takes just minutes per anchor. There’s no digging, no concrete mixing, and no waiting for cure time—build immediately after installation.
No special equipment is required. Unlike traditional helical piles and ground screws, Terra Grips anchors are installed with a standard impact driver, making them ideal for DIY homeowners and contractors alike. One person can complete most installations.
Yes. Terra Grip Anchors are designed with slimmer, textured rods that perform well in rocky and compacted soil, where traditional concrete footings or large helical piles can struggle.
Terra Grip Anchors eliminate many common concrete problems:
- No digging or excavation
- No cracking or splitting
- No cure time
- Faster installation
- Cleaner job site
We provide a Load Capacities Chart and Manual with drawings for use in submittals. Please contact us for any additional support needed. We are in the process of finalizing our ICC-ES report.
Frost heave is not a concern with Terra Grip Anchors. The threaded rods are 6 feet long, going well below the frost line. In addition, there is very minimual surface area on the Terra Grip to lift.
The end of the Terra Grip threaded rod is angled at 45 degrees, allowing it to displace rocks as it screws into the ground. Should you hit a rock that cannot be displaced, you can adjust the main anchor to avoid the rock. There are some cases, such as a layer of solid rock, that would not allow use of the Terra Grip.
While Terra Grips are a new product, they have been successfully used in installations in Virginia. In addition, the technology of the Terra Grip Anchor is based on the Spinnanker System, which has been used commercially since 2020 with a database of over 45,000 anchors.