Prefabricated steel, wood or concrete piles are driven into the ground using impact hammers. Driven piles provide the fastest deep foundation solution and have the advantage over drilled shaft piles of higher skin friction, thus increasing their load-bearing capacity. They are suitable for most land and marine applications, and offer a high performance piling system with up to 1,000 tons/pile design load capacity.
Steel piles such as sheet and H-beam piles (soldier piles) to form earth retention and excavation support walls, are the most commonly used. Wood and reinforced concrete are used in other limited conditions.