Foundation & Basement Experts
Helical Piers: Screwed-In Stability for Lighter Loads and New Builds
Helical piers are screw-like steel shafts advanced into the soil with a hydraulic torque motor, providing precise, verifiable support for lighter loads, additions, and new construction.
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Structural Underpinning
What Is Helical Piers and How Does It Work?
Helical piers stabilize foundations by advancing a steel shaft fitted with helical plates deep into the ground, much like driving a giant screw. As the pier turns into the soil, the helices pull it down to load-bearing strata below the expansive clay that causes most Central Indiana foundation movement. Because installation torque correlates directly with load capacity, helical piers offer a precise, engineered way to verify that each pier can carry its share of the structure.
The screwing action means helical piers do not depend on the weight of the structure to install, which makes them the go-to choice for lighter loads, room additions, porches, and new construction where there is little or no existing weight to drive a pier. They are also excellent for stabilizing settled sections of slab homes and lighter framed structures that push piers would struggle to advance under.
Once each helical pier reaches the required torque and depth, a foundation bracket transfers the structure’s load onto the pier. As with push piers, helical systems can often recover some lost elevation, helping to close cracks and re-level the foundation. The result is a clean, low-vibration repair that can be installed year-round, even in tight-access conditions.
Step by Step
The Helical Piers Installation Process
- 01
Inspect & Measure
We assess settlement, soil, and load to confirm helical piers fit your home, then determine pier spacing and target capacity.
- 02
Expose the Footing
Compact access points are excavated at each pier location with care for landscaping and finishes.
- 03
Advance the Pier
A hydraulic torque motor screws each helical pier into the soil, with torque monitored to confirm load capacity at depth.
- 04
Attach Brackets
A steel bracket connects the pier to the footing to carry the structural load.
- 05
Transfer & Restore
Load is transferred to the piers and the foundation is lifted toward level where possible, then we backfill and clean up.
Best For
- Lighter homes, additions, porches, and decks
- New construction support before a structure is built
- Settled slab-on-grade homes and framed structures
- Tight-access sites where low-vibration installation matters
Advantages
- Installation torque verifies load capacity at each pier
- No structural weight required to install
- Ideal for new construction and lighter loads
- Low vibration and installable year-round
- Transferable, manufacturer-backed warranties available
Considerations
- Very heavy structures may favor push piers
- Requires excavation at each pier location
- Obstructions in soil can complicate advancement
How It Compares
Helical Piers vs Push Piers
Helical Piers vs Push Piers
Helical and push piers both reach deep, stable soil, but they install in opposite ways and suit different structures. Here is the side-by-side.
| Factor | Helical Piers | Push Piers |
|---|---|---|
| How they install | Screwed in with a torque motor | Hydraulically pushed using the home’s weight |
| Best load type | Lighter loads, additions, new construction | Heavier, multi-story homes |
| Capacity verification | Confirmed by installation torque | Confirmed by driving resistance under load |
| New construction | Can be installed before a structure exists | Requires existing structure to drive |
| Vibration | Low vibration | Low vibration |
Cost Guidance
How Much Does Helical Piers Cost?
Helical pier projects are typically priced per pier. These are industry-typical Central Indiana ranges; your free inspection provides an exact written estimate.
| Item | Typical Range | Notes |
|---|---|---|
| Per helical pier (installed) | $1,500 – $3,000 | Varies with depth and capacity |
| Typical residential project | $8,000 – $25,000 | Depends on number of piers |
| New construction piers | Quoted per plan | Based on engineered loads |
Figures are typical Central Indiana ranges for general guidance only and are not a quote. Your free inspection includes a written, fixed-price estimate for your specific home.
Answers You Can Trust
Helical Piers FAQs
Helical piers are screwed into the soil with a torque motor and do not need the home’s weight to install, making them ideal for lighter loads and new construction. Push piers are hydraulically driven using the structure’s weight and excel under heavier homes. During your inspection we recommend whichever matches your load and soil.
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