Your extrusion welding rod matters

April 27th, 2022

Solmax discusses why choosing your extrusion welding rod matters, and the best ways to perform an extrusion weld on a geomembrane. Circular geomembrane extrusion weld. Photograph courtesy of Solmax Extrusion welding is a highly effective seaming method that’s primarily used for detailed patching work on polymeric geomembranes such as high-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE). It also works well […]

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Landfill closure best practices

April 19th, 2022

AGRU America Inc. explores landfill closure regulations and requirements, highlighting landfill closure best practices from the perspective of a geosynthetics manufacturer. In partnership with Watershed Geosynthetics LLC, AGRU America Inc. has manufactured more than 1,500 acres (607 ha) of ClosureTurf engineered landfill closure systems. Photograph courtesy of AGRU America Inc. Landfill containment is a complicated […]

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Inspecting a six-year-old geomembrane

April 14th, 2022

Seaman Corp. describes a rare opportunity for inspecting a 6-year-old geomembrane at the Knoxville, Tenn., World’s Fair Park. By Felon Wilson, Industrial Fabrics Business Director, Seaman Corp. WFP Park and lake in Knoxville, Tenn. Photograph courtesy of Seaman Corp. The lake at the Knoxville, Tenn., 1982 World’s Fair Park was relined with the XR-5 geomembrane in […]

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Selecting a textured geomembrane

April 11th, 2022

Solmax makes the case for selecting a textured geomembrane, like the company’s FrictionFlex, based on the type of application. By Aparna Jayakumar, Technical Manager, EMEA, Solmax Textured geomembrane. Photograph courtesy of Solmax Choosing a textured geomembrane largely depends upon the type of application in which the geomembrane is being used.   The amount of interface friction […]

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Geosynthetics for stormwater tank encapsulation

March 31st, 2022

By Amy Woods, Technical Product Manager, Layfield Group Ltd., and Prabeen Joshi, Engineering Business Manager, Layfield Group Ltd. Layfield Group Ltd. discusses geosynthetics for stormwater tank encapsulation, including the pros and cons of flat bottom and arched tank types. In a typical urban setting, runoff from impervious surfaces—such as pavement and rooftops—should be managed effectively […]

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Geomembranes for agriculture protect environment

March 9th, 2022

Experts at International Cover Systems Inc. discuss two major applications of geomembranes for agriculture that protect the environment. FIGURE 1 Large geomembrane-lined agricultural lagoon before filling. Photograph courtesy of International Cover Systems Inc. Many of us love meat and dairy, but most put little thought into the waste produced by the animals that bring us these tiers […]

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GSI agriculture/aquaculture webinar upcoming

February 25th, 2022

GSI agriculture/aquaculture webinar on March 16, 2022, will focus on geosynthetics in farming and fish farming operations. A Raven Engineered Films geosynthetic agricultural silage cover. The upcoming GSI agriculture/aquaculture webinar will include such uses. Photograph courtesy of Raven Engineered Films The Geosynthetic Institute (GSI) will sponsor a webinar, “Geosynthetics in Agriculture and Aquaculture,” on March […]

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Alternative stress cracking surfactants identified for HDPE geomembrane testing

February 9th, 2022

The Australian geosynthetics testing company ExcelPlas discusses the search for alternative stress cracking surfactants to the pollutant Igepal CO-630. Photograph courtesy Solmax Geosynthetics testing company ExcelPlas in Highett, Victoria, Australia, has identified two alternative stress cracking surfactants for high-density polyethylene (HDPE) geomembranes. Igepal™ CO-630, the non-ionic surfactant used in high-density polyethylene (HDPE) stress cracking bath, […]

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GSI to host webinar on geosynthetics in heap leach mining

January 27th, 2022

Photograph courtesy of NAUE GmbH & Co. KG The Geosynthetic Institute (GSI) will sponsor a webinar, “Geosynthetic Applications Used in Heap Leach Mining,” on Feb. 9, 2022, from 11:30 a.m. to 1 p.m. EST. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. The […]

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Part 3: Five pieces of data that will give higher assurances of chemical compatibility when selecting a geomembrane

January 26th, 2022

By Felon Wilson, Industrial Fabrics Business Director, Seaman Corp. Figure 1 XR-5 Geomembrane Process Wastewater Impoundment, Qatar. Photograph courtesy of Arabian Environmental Editor’s note: This is part 3 of the 3-part series, “Understanding and Assuring Proper Geomembrane Chemical Resistance.” Part 1 was published on Jan. 12, 2022, and Part 2 was published on Jan. 19. […]

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