Profitable geosynthetics companies in 2022?

February 1, 2022  |  Editorial

Before the New Year, in October and November 2021, the first two in-person geosynthetics industry events since the pandemic began took place: the Geosynthetic Materials Association (GMA) fall Lobby Day in Washington, D.C., and GeoNashville 2021. Both were well attended, and many participants were en…
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GMA Lobby Day comes at ‘really . . . strange, crazy time’

February 1, 2022  |  ATA Events, News

That’s how Martin Whitmer Jr., founding partner with Whitmer & Worrall LLC, described the timing (Oct. 19–20, 2021) of the first in-person Geosynthetic Materials Association (GMA) Lobby Day since the pandemic began, a time when not a lot of face-to-face meetings were happening on Capitol Hil…
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GeoNashville 2021 is a success

February 1, 2022  |  ATA Events, News

Geosynthetics professionals from across North America gathered in Nashville, Tenn., in November as the industry returned to in-person events. GeoNashville 2021, Nov. 4–5, 2021, drew approximately 280 people to the Music City. 
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Geosynthetic Materials Association new and renewing members as of February 2022

February 1, 2022  |  News

To learn more about Geosynthetics Materials Association (GMA) member companies and other IFAI members, visit the IFAI member directory. Industrial Fabrics Inc. Baton Rouge, La.Construction products and engineering solutions Nedia Enterprises Inc. Ashburn, Va.Construction fabrics and erosion contro…
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Geotextile filtration clogging resistance

February 1, 2022  |  Q&A: GMA Techline

Q: I have a question about the Filter Criteria in the Federal Highway Administration (FHWA) Filter Design procedure, specifically the clogging resistance equation 2-10. This seems to require a particularly large pore size; for example, if the D15 of the soil was for 70 microns, the minimum O95 of th…
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Sewn versus welded seams

February 1, 2022  |  Q&A: GMA Techline

Q: On your website list of sample questions and answers (https://geosynthetics.ifai.com/programs/gma-techline), a question is asked about a recommendation for sewn versus welded seams for geotextiles. Bob Koerner answered this question by stating that you have done a study for joining geosynthetic c…
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EPDM geomembrane for a water application

February 1, 2022  |  Q&A: GMA Techline

Q: We are looking at a life-cycle study for the usefulness of an ethylene propylene diene monomer (EPDM) based geosynthetic liner for a water conservation application. Request to kindly share the information for our study. Regards.
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Geosynthetics for pipe wrapping

February 1, 2022  |  Q&A: GMA Techline

Q: I need an impervious geosynthetic to wrap a pipe that will be placed within a heavy clay. Do you have any suggestions?
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Fusion-welded HDPE geomembrane patch

February 1, 2022  |  Q&A: GMA Techline

Q: I need to make sure of what the minimum area is for an HDPE geomembrane with a 60-mil (1.5-mm) thickness patch that should be fusion welded instead of extrusion welded. Also, when does one need to replace a panel that is damaged (i.e., the percent of damage allowed to be repaired)?
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Electrical leak detection at depth

February 1, 2022  |  Q&A: GMA Techline

Q: I am taking the opportunity to ask a question about the electrical leak detection (ELD) test for geomembranes: We have the area covered with silt from the past rainy season, and it is estimated to be about 5 feet (1.5 m) deep worst-case scenario. The liners in this area were not properly inspect…
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