Verti-Drain^® is a prefabricated pocket-style vertical drain (PVD) for the improvement of soft ground made from a mechanically strong PP core and a nonwoven filter jacket specialized as PVD filter material.

Since 1994, more than 800 mil. lm of Verti-Drain^® had been used in Singapore Changi Airport Construction, Kuwait Bubiyan Port Construction, Vietnam Hanoi-Haiphong Expressway Construction, Busan New Port Construction, and Incheon International Airport Construction. Its quality had been proved by obtaining CE, Q Mark, R Mark , ISO 9001 Certificate.

Since Verti-Drain^® is produced with filter materials having AOS , suited for the improvement of soft soil, filter clogging can be prevented over a long term.

Verti-Drain^® is resistant to friction and scratching caused during its installation and also has a physically durable structure with a high strength.

Verti-Drain^® has a high resistance to bacteria and chemicals. Verti-Drain^® is materially and ecologically stable since it is made of polypropylene, which does not allow contaminants or hydrolysis.