Geomembrane o se tasi o oloa fa'asologa o geomembrane.EVA o le ethylene-vinyl acetate copolymer, lea e lelei le fetuutuunai, elasticity, tetee tau, faʻalavelave faʻafefe o le siosiomaga ma le faʻaogaina o faʻatinoga. O faʻamatalaga faʻainisinia uma e maualuga atu nai lo polyethylene masani.E faigofie tele e faʻaoga i le fausiaina ma faʻatino lelei pe a uelo.