Helical Pier Installation in Montgomery, AL
When a foundation settles in Montgomery, Alabama, the most reliable fix involves transferring
the home’s weight to deep, stable soil layers using steel piling. Helical pier installation has
become a preferred method for many homeowners because it requires minimal excavation and
creates no vibration damage to existing finishes. Understanding how helical piers work helps
you choose the right stabilization system for your Montgomery home.
How Helical Piers Differ From Other Foundation Supports
Helical piers are steel shafts with welded helix plates (similar to large screw threads). A
hydraulic torque motor rotates each pier into the ground, advancing it through unstable clay
until the helix plates reach dense bearing strata. The torque required to turn the pier correlates
directly with its load capacity, allowing Montgomery Foundation Repair Co to verify adequate
support in real time. Once the pier reaches refusal, a bracket connects it to your foundation
footing, and the pier is locked off. This process lifts settled sections back to their original
elevation without the heavy hammering required by push piers.
Ideal Applications for Helical Piers in Montgomery Homes
Helical piers work exceptionally well for pier‑and‑beam foundations, interior footing support
where access is limited, and lighter structures such as single‑story homes or additions. They
are also the go‑to solution for homes with cosmetic finishes (marble floors, tile, or plaster)
because the installation produces no impact vibration. In Montgomery, AL, helical piers are
often used to stabilize sunken porches, garage slabs, and even commercial buildings where
overhead clearance is restricted. Montgomery Foundation Repair Co selects helical piers
whenever we need to install supports inside a crawl space or basement where heavy
equipment cannot fit.
The Installation Process from Start to Finish
Helical pier installation begins with exposing the footing at designated support points. A
mounting bracket is attached to the foundation, and a portable hydraulic drive head is
connected to the first pier section. The head rotates the pier, and the helix plates pull the shaft
downward. Additional sections are welded on until the desired depth (typically 15 to 30 feet in
Montgomery County) is reached. Then a hydraulic manifold lifts the foundation slightly to close
cracks and level floors. Finally, the bracket is locked, and the excavation is backfilled. Most
residential projects are completed in one to two days.
Why Helical Piers Perform Well in Expansive Clay
The red clay soil that causes so many foundation problems in Montgomery is actually ideal for
helical pier installation. The torque required to advance through clay is consistent and easy to
measure, giving engineers accurate load data. Once the helix plates pass through the active
zone—the upper 10 to 15 feet where moisture changes cause swelling and shrinking—they
reach undisturbed soil that remains stable year‑round. Because the piers are anchored below
the clay, your foundation no longer moves with seasonal wetting and drying cycles.
Montgomery Foundation Repair Co designs each pier layout based on soil borings specific to
your property.
Frequently Asked Questions
How many helical piers does my home need?
Spacing depends on your foundation type, soil conditions, and the severity of settlement. A typical 2,000‑square‑foot home may require 8 to 15 piers placed 6 to 8 feet apart along affected walls. Montgomery Foundation Repair Co provides a precise count after inspection.
Are helical piers better than push piers?
Both systems are excellent. Helical piers are better for limited access and sensitive interiors; push piers often cost less for deep installations with heavy loads. Montgomery Foundation Repair Co recommends the system that best matches your specific site conditions.
Can helical piers be installed in wet weather?
Yes, helical piers are installed year‑round in Montgomery’s climate. Heavy rain may delay excavation or backfilling, but the pier placement itself is not affected by soil moisture as long as crews can safely operate.
Is a building permit required for helical pier installation?
Most Alabama jurisdictions, including Montgomery, require a permit for foundation underpinning. Montgomery Foundation Repair Co handles all permitting and scheduling with the local building department, so you don’t have to worry about compliance.
Need a free foundation inspection from a licensed Montgomery contractor?
Call (334) 835-5928