The Geosynthetic Institute (GSI) has announced that its Product Certification Program will not be continued. It is now felt that appropriate measures are found in current manufacturing quality control (MQC), manufacturing quality assurance (MQA), construction quality control (CQC) and construction quality assurance (CQA). Also, the warranty requirement in the Geosynthetic Research Institute (GRI) geomembrane specifications has been dropped. At this time geomembrane life expectancy is decades if not centuries longer than any warranty period and therefore GSI has determined that warranty requirement has outlived its usefulness. More information can be found in GSI’s most recent White Paper: “On the Topic of Geomembrane Warranties.” Click the link below to access the white paper.

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