Working on an ethylene interpolymer alloy (EIA) specification

August 1st, 2022

Q: I have an upcoming project that will use ethylene interpolymer alloy (EIA). Is the Geosynthetic Research Institute (GRI) working on a specification for this material? A: Nice to hear from you and thanks for your Techline question. We have been working on this subject for a long time. GRI-draft GM34 standard specification revision 4 […]

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The importance of correctly protecting EPS geofoam blocks

September 29th, 2021

Photograph courtesy of e2 Technical Textiles Construction-grade expanded polystyrene, better known as EPS geofoam, is the go-to material for a variety of applications due to its low weight and superior properties. Today, it’s used in building foundations, landscaping, road construction, bridges and numerous other applications.  EPS geofoam, however, has a significant drawback that limits its […]

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Clarifying the nomenclature of Elvaloy-based geomembranes: EIA, EIP or KEE

June 1st, 2019

By E. Silva and T. D. Stark  Since the first flexible membrane liner (FML) was used as part of an environmental liner system, the geomembrane industry has always looked for innovative solutions for chemical containment applications. Although there have been many innovations over the last 50 years, one of the most significant is the introduction […]

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