Geomembrane material comparison guides

How do you choose a liner material?

Liner material selection comes down to four questions: what the liner must contain, what it will be exposed to, how the site behaves, and how the material gets built into a finished system. Chemical compatibility and permeability decide whether a material can do the job at all. UV exposure, temperature swings, and subgrade movement decide how long it lasts. Flexibility, panel size, and seaming method decide what installation costs and how many field seams your quality program has to test.

The guides below compare the most common head-to-head decisions using published ASTM and GRI properties, not sales copy. EC Applications installs every material in these comparisons, so we have no reason to steer you toward one over another. Read the comparison that matches your decision, then send us the application and site conditions and we will recommend a material for your specific project.