Screw Piling
Professional Screw Piling Contractors
At NPG National Piling & Groundworks Ltd, we provide professional screw piling services for residential, commercial, and industrial construction projects across London and throughout the UK. Our experienced team delivers reliable, efficient, and cost-effective screw pile foundation solutions designed to provide strong structural support in a wide range of ground conditions.
Screw piling, also known as helical piling, is a modern foundation system that uses steel piles with helical plates that are mechanically screwed into the ground. This method provides a fast, low-vibration, and environmentally friendly foundation solution suitable for both temporary and permanent structures.
Our team uses modern installation equipment and proven engineering methods to ensure every screw piling project is completed safely, efficiently, and to the highest industry standards.
What Is Screw Piling?
Screw piles consist of steel shafts fitted with helical plates that are rotated into the ground using hydraulic torque motors. Load transfer is achieved through the helices bearing against the soil.
Typical Applications
Lightweight structures
Modular buildings
Solar farms
Temporary structures
Restricted access sites
Advantages
Rapid installation
Minimal vibration
Immediate load capacity
Removable and reusable
Minimal spoil generation
Limitations
Unsuitable in dense rock or obstruction-heavy ground
Load capacity limited by shaft size and torque
Corrosion protection may be required
Typical Execution Sequence
Set out pile locations
Position pile vertically
Rotate pile into ground using hydraulic drive head
Monitor installation torque continuously
Extend shaft sections as required
Reach target torque/depth
Cut pile to level
Install pile cap or connection detail
Quality Control
Torque monitoring
Verticality checks
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Installation depth records
Corrosion protection inspection
Subject To
Detailed structural design
Geotechnical verification
Suitable access and rig clearance
