Geotextile chubu ndiyabwino pama projekiti ochizira matope.Zinyalala zotayira zimasunthidwa ndikuponyedwa mwachindunji mu machubu ochotsa madzi a geotextile olekanitsa zinyalala zamadzimadzi ndi zolimba.Chubu cha geotextile chimakhala ndi kusefera kwakukulu komanso kulimba kwamphamvu, komwe kuli koyenera kutsitsa madzi amatope.Izi zimachepetsa kuchuluka kwa zinyalala;kuchepetsa ndalama ndi nthawi yonyamula matope kupita kumalo otayira.