Ko Geomembrane tetahi o nga hua raupapa geomembrane.Ko te EVA he ethylene-vinyl acetate copolymer, he pai te ngawari, te elasticity, te parenga huarere, te awangawanga o te taiao me te mahi honohono. He teitei ake nga tohu miihini katoa i era o te polyethylene noa.He tino watea ki te whakamahi i roto i te hanga me te pai o te mahi i te wa o te whakapiri.