Geomembrane waa mid ka mid ah alaabooyinka taxanaha joomembrane.EVA waa copolymer ethylene-vinyl acetate, kaas oo leh dabacsanaan wanaagsan, dabacsanaan, iska caabin cimilada, iska caabin dildilaaca deegaanka iyo waxqabadka isku xidhka. Dhammaan tusmooyinka farsamada ayaa ka sarreeya kuwa polyetylen caadiga ah.Aad bay u habboon tahay in loo isticmaalo dhismaha waxayna si fiican u qabataa marka alxanka la isticmaalayo.