Isku-dhafka Geomembrane (Geotextile-Geomembrane Composites) waxa lagu sameeyay ku-xidhka-ku-xidhka-jiotextile-ka-soo-xidhka aan-xidhka lahayn ee geomembrane.Isku-dhafkan wuxuu leeyahay shaqooyin iyo faa'iidooyin labadaba geotextile iyo geomembrane.Jootextiles-ku waxay bixiyaan iska caabin kordhaysa dalool, faafinta jeexjeexa, iyo is jiid jiidka la xiriira simbiriirrada, iyo sidoo kale bixinta xoogga xajinta gudaha iyo naftooda.