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Constructed from corrugated steel, trench sheets and sheet piling are used to retain soil during excavation by forming a continuous vertical barrier. Sheet piles interlock to create a watertight barrier, whereas trench sheets overlap instead of interlocking, so they’re not watertight.
Sheet piles offer a more robust connection compared to trench sheets and are ideal for deep excavations. Trench sheets still offer a high strength-to-weight ratio and are better suited for small to medium-depth excavations where a watertight seal isn’t required.
Both trench sheets and sheet piles are driven into the ground to prevent soil collapse and support adjacent structures. Common applications include basement excavations, pump stations, gross pollutant traps, tank farms, cofferdams, pipe trenches and cut and dives.
We provide both braced and unbraced shoring solutions using trench sheets or sheet piles, depending on your excavation needs. Trench sheets are ideal for small to medium-depth excavations, while sheet piles are suitable for deeper excavations and offer effective retention of both soil and water. Sheet piles can also be combined with our hydraulic bracing and structural propping systems.
Trench sheets and sheet piles offer fast installation, low maintenance and are suitable for a wide range of soil types. They support safe excavation below groundwater levels and sheet piles can be combined with our hydraulic bracing and propping systems for complex ground support needs.
Yes, Coates Engineering Solutions provides an end-to-end service, including technical design, project management, equipment supply and installation. We also offer design and installation certification to verify safety, quality and effectiveness.