What Are Screw Piles?

A structural foundation method that installs without concrete or excavation

Screw piles, also known as helical piles, are structural steel foundation elements installed by rotating them into the ground using a hydraulic torque motor mounted on a specialist rig or excavator. A central steel shaft with one or more helical plates welded to it is turned into the ground, advancing steadily until it reaches the required depth and achieves the specified installation torque. Once installed, pile caps or brackets are fixed to the pile heads and the ground beams or RC slab above are formed to complete the foundation.

It is a method that carries genuine structural loads for residential and commercial buildings, and it does so without any concrete in the pile itself, without excavation, and without the noise and vibration associated with driven methods. That combination of structural performance, speed, and minimal disruption is what makes it an increasingly popular choice across a range of construction projects where the ground conditions and structural requirements suit it.

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Residential piling jobs we’ve
completed over the years.