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DuroTerra™ is rethinking traditional deep foundation techniques. We provide our customers with the latest in advanced Ductile Iron Pile products and installation knowledge.

Ductile Iron Piles are pre-fabricated driven pile systems, utilizing high-strength ductile iron pipes manufactured using a centrifugal-casting process. They are a reliable, cost-effective alternative to conventional pile systems, including driven piles, augercast piles, drilled shafts and micropiles.

When should Ductile Iron Piles be used?

If you are considering these techniques for your project:

  • If considering micropiles.
  • If considering helical anchors, particularly with low capacities where increased capacity improves the design efficiency.
  • Short piles where installation speed or project size makes a good fit.
  • Long piles where elimination of splicing or working with small sections maximizes the benefit.

Ductile Iron Pile Products

Ductile Iron Piles are simple, fast and highly effective modular driven pile systems utilizing high-strength ductile cast iron. Pile sections are connected by a proprietary Plug & Drive system, eliminating the need for welding and splicing while providing a high degree of stiffness. With the use of an excavator fitted with a hydraulic hammer, piles are installed in quick succession leading to fast and easy installation. The DIP system is manufactured from ductile cast iron, which provides high-impact resistance, ultimate strength and high-elastic limit along with superior corrosion resistance, machinability and weldability when compared with traditional steel piles. Ductile Iron Piles are well-suited for supporting loads in a variety of problematic soil conditions including both cohesive and non-cohesive soils and can also resist compression and tension loads. VIEW THE DUCTILE IRON PILE BROCHURE


Ductile Iron Piles are manufactured by TRM and employ a Plug & Drive connection system consisting of a tapered socket with an internal shoulder for full engagement at one end and a tapered spigot at the other end. This allows the individual pile sections to be connected together to form a pile shaft of any length without the use of special tools. The connection is formed by elastic deformation of the ductile iron and by cold welding of the friction surfaces. This joint exhibits high-compressive strength and superior resistance to bending, such that the rotational stiffness of the joint is greater than the pile material itself. This connection method eliminates the need for threads, couplers, pins and keys and welding/splicing on the job site.

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