Member Spotlight: September

Polytex SA is a Chilean company with years of experience in the manufacturing of plastic products. Polytex currently has three plants; two in Chile (Santiago and Antofagasta) and one in Peru (Lima). Polytex specializes in the production of geomembranes, raschel knits, drain pipes, pressure HDPE pipes and more. In addition to serving their local customer base, Polytex exports products globally, including, but not limited to Argentina, Uruguay, Bolivia, Ecuador, Paraguay, Peru, Mexico, Australia, South Africa, United States, Canada and the European Union. For more information on Polytex or their products, please contact Cessily Duran Vivas at or visit


FGI Initiates Summer Internship Program

 The Fabricated Geomembrane Institute (FGI), based at the University of Illinois/Urbana-Champaign (UIUC), has concluded its first student internship program.

The main objectives of the program are to introduce future civil engineers to the field of geosynthetics and to provide a connection between possible employers and the many undergraduate and graduate students at the UIUC.

One of the FGI’s member companies, Colorado Lining International (CLI), participated in the inaugural internship program during the summer of 2016. CLI hired Guo Cheng, a graduate student studying geotechnical engineering in the Department of Civil and Environmental Engineering at the UIUC.

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FGI Welcomes 2016-17 Research Graduate Students

The Fabricated Geomembrane Institute (FGI) welcomes its 2016-2017 Research Graduate Students to the Department of Civil and Environmental Engineering at the University of Illinois at Urbana-Champaign.  The FGI graduate students are performing research on geomembrane interface strength testing, PVC durability, field v. factory seam strength, and more.

The Fabricated Geomembrane Institute’s 2016-17 Research Graduate Students. Back Row: Yifei Hong, Sean Hayter, Ahmed Baghdady, Andony Landivar, Steve Wilk, Enok Cheon, Guo Chang Front Row: Rodrigo Fernandez, Mario Hernandez, Tim Stark (FGI Technical Director), Jiarui Chen, San jana Ramesh, Jen Miller (FGI Coordinator), Wenjing Liu


FGI Performs Geomembrane Durability Study

More than 20 years ago, the founders of the PVC Geomembrane Institute (PGI) and the succeeding entity, the Fabricated Geomembrane Institute (FGI) set out to test materials that were in actual field use. They wanted to exhume numerous samples for testing on a periodic basis without ruining the integrity of the installed primary liner system. The Minnesota Department of Natural Resources (MnDNR) became a partner, and at a MnDNR settling basin near the town of Hibbing, Minn., the long-term durability study was initiated in 1995.  The ongoing project’s main objective is to investigate the 30-year durability of PVC geomembranes and PVC chemical fusion and hot wedge welded seams.

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Steve Koski (L) and Austin Dusek (R), both with the Minnesota DNR, and Prof. Tim Stark (center), University of Illinois, holding one of the geomembrane samples cut from the longer sample that still remains on the bottom of the sedimentation basin under 6 inches of sand cover.