Product Categories: Composite Film Series Product Description: Waterproof Composite Geomembrane: The composite geomembrane is an impermeable material made by bonding geotextile with geomembrane. It is mainly used for waterproofing purposes. The composite geomembrane is available in one-geotextile-one-membrane and two-geotextile-one-membrane configurations, offering tensile, tear resistance, and other physical and mechanical properties.