ASTM D7176-06(2018)

1.1 This specification covers polyvinyl chloride (PVC) flexible sheeting which is used for construction of concealed containment membranes. Examples are ponds and lakes, canals, reservoirs, landfill liners, covers and closures, or similar installations where the membrane is inaccessible once the construction is complete. Included are requirements for materials and sheeting, test methods, workmanship criteria, and methods of marking. This specification covers unreinforced flexible sheet made from polyvinyl chloride (PVC) resin as the primary polymer intended for use in geomembranes. This specification covers PVC sheet 0.25 mm through 1.5 mm thickness (0.010 in. through 0.060 in.), typically used for geomembrane linings.