Dedicated to advancing the use of fabricated geomembranes through education, research, and technology transfer.

Factory fabrication reduces field welding, reduces installation time and costs, allows modular construction and provides consistent seam and liner quality.

Geomembrane Laboratory Test Methods

ASTM D1239 Chemical Resistance

ASTM D1203 Volatile Loss

ASTM D1204 Dimensional Stability Geomembrane Test

ASTM D1790 Standard Test Method for Brittleness Temperature of Plastic Sheeting by Impact

ASTM D7408 Seam Peel Strength

ASTM D882 Tensile Properties

ASTM D 7408 Seam Shear Strength

ASTM D5994 Thickness Textured Geomembrane

ASTM D5199 - Procedure B - Thickness, Smooth Geomembrane

Geomembrane Field Test Methods

ASTM D5641 Vacuum Chamber Test

ASTM D4437 Air Lance Test

General Videos

Fabricated Geomembrane Panel Deployment

Raven EFD (Formerly Colorado Lining Intl., Inc.)

Unfolding Geomembrane Panel

Deploying Folded Geomembrane Panels

Deploying Small Geomembrane Panels

Frac Tank

Layfield Environmental Containment


Layfield Environmental Containment

Factory Fabrication