
Our Unique Basement Technologies
Under-Pier System
Simply the best way of dealing with foundation repair problems.
Our interlocking, patent pending Under-Pier segments are comprised of high-strength concrete that is pre-cast in a steel sleeve which resists corrosion, providing superior shear strength and compressive resistance as proven by independent testing labs. The outer casing is filled with a concrete core, and cured for maximum hardness. The Under-Pier foundation repair segments are hydraulically driven into the ground one at a time. After one Under-Pier segment is driven, another segment is connected to the foundation pier, and the process is repeated until the foundation pier hits bedrock or a dense strata of subsurface material. The foundation pier is then topped with a galvanized steel cap, and finally, the house is lifted and secured to the foundation pier.
- Pier is centrally and directly beneath the Load/Footing and Foundation
- No loose shimmed components that can allow for slippage
- ALL parts are connected to form a monolithic unit.
Learn More about James Pratt, Basement Technologies President and Founder.
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1. The process is begun by digging a 3’ x 3’ hole to access the bottom of the footing/beam. This may be achieved from inside or outside of the structure. 28” of working room below the footing/beam is required. | ![]() |
2. The segments are carried to the pier location in order to start the installation process. |
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3. The Under-Pier System system requires minimum clearance due to the fact that no heavy equipment is needed. | ![]() |
4. The segments are installed using a hydraulic pump. |
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5. The patented segments interlock to each other. Due to the patented process, the concentric load is transferred from concrete to concrete. | ![]() |
6. The segments are driven into the ground one at a time. This is repeated until bedrock or load bearing strata is reached. Since the segments are driven directly under the footing, the foundation is not jeopardized or damaged by bolting into or cutting the footer. |
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7. The patent pending lifting platform is temporarily attached to the pier in order to start the lifting process. | |
8.The jacks are set on the platform and the lifting process begins. A manifold lifting system may also be used. |
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9. After the house has been lifted, the Pier cap is installed and shimmed into place. The 2-piece patent pending pier cap self contains all shims to prevent any future movement. | ![]() |
10. A finished pier installed in a crawl space application. |
Create a foundation that exceeds your home's original structural integrity,
Click Here to learn more or call 1-800-BUSY-DOG.















