Product Description SIGMA prefabricated vertical drains (PVD) comprise a synthetic drainage core wrapped with a durable fabric of excellent filtration properties for accelerated consolidation of soft soil. Accelerated consolidation removes excess pore pressures quickly from soft foundation soil increasing the foundation shear strength to support embankment and fill loadings. Advantage: The ground improvement system with

Product Description Prefabricated Horizontal Drain (PHD) that improves soft ground. It is made of a mechanically strong PP core and a nonwoven filter jacket that is specialized for soil improvement and drainage works. PHD expedites soil consolidation by facilitating rapid drainage of pore water discharged through vertical drains installed in soft ground. Advantage: Warranty: 3

Product Description Perforated pipe is used in land drainage applications, By its name, the perforated pipe has perforations along the pipe. This allows water to enter the pipe through these perforated holes. They are thus suitable for subsoil drainage systems. Ideally suited to applications such as Field Drain or French Drains. Advantage: Good flexibility, glossy