Steel shaft
The central structural member transfers loads through the pile.
Foundation Knowledge Base
How helical piles work.
A clear guide to how engineered steel piles are installed, verified, and connected to support structures in Southern Ontario.
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Engineered systemsBuilt for the project
Clean installationEfficient site work
Built with purpose
Steel support that reaches stable soil
A helical pile is a steel shaft with one or more circular helix plates. Specialized hydraulic equipment rotates it into the ground until the planned depth and installation torque are achieved.
The installed pile transfers compression, tension, and lateral forces from the structure into more stable soil below weaker surface layers.
Helical plates
Helices advance the pile and bear against stable soil.
Torque monitoring
Installation resistance helps confirm performance in the field.
Compression
Supports downward structural weight.
Tension
Resists uplift from wind and other forces.
Lateral loading
Designed systems can resist side movement and shear.
Our approach
A clear path forward.
We coordinate the details early, complete the work efficiently, and leave the project ready for its next stage.
Evaluate
Review soil, access, loads, and project drawings.
Position
Set pile locations to the engineered layout.
Install
Rotate each pile into the ground hydraulically.
Verify
Monitor depth, alignment, and installation torque.
Installation & verification
What happens below the surface matters most.
A helical pile does not rely on a shallow pad of disturbed soil. Its steel helices rotate into the ground until the system reaches the planned bearing layer and installation resistance. The shaft then transfers the structure’s loads through weaker surface material into stable soil.
Depth is not identical on every project. Soil conditions, structural loads, pile size, helix configuration, and measured torque determine the final installation. Brackets, caps, or concrete connections complete the load path between the pile and the supported structure.
Site and structural requirements reviewed before installationPile positions established from the approved layoutHydraulic equipment rotates piles with minimal excavationDepth, alignment, and installation torque monitored in the fieldStructural heads or brackets connected to wood, steel, or concrete
Frequently asked questions
How deep are helical piles installed?+
Depth varies with soil and load requirements. Piles continue until the specified bearing conditions and installation criteria are achieved.
Can screw piles be installed during winter?+
Yes. Helical piles are commonly installed year-round and avoid the curing requirements associated with poured concrete.
How soon can construction continue?+
The pile system provides immediate capacity after installation and required verification, so the next construction stage can often proceed without a curing delay.
Explore more
Keep planning.
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Barry Martin
Your local Postech team for foundation, excavation, slab, and deck projects across Burlington, Oakville, Milton, Halton Hills, and surrounding communities.
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