Geomembrane nrụnye polyLock bụ profaịlụ HDPE siri ike, na-adịgide adịgide nke enwere ike ịtụba ya ma ọ bụ tinye ya n'ime mmiri mmiri, na-ahapụ elu ịgbado ọkụ ka ekpughere ya ma emechara nkwadebe ihe. Mkpịsị aka nke mkpịsị aka arịlịka na-enye arịlịka igwe dị elu na ihe ahụ. Mgbe etinyere ma jiri geomembrane rụọ ọrụ nke ọma, polyLock na-enye ihe mgbochi pụtara ìhè na ntapu. Ọ bụ sistemụ arịlịka igwe na-arụ ọrụ kacha arụ ọrụ na nke akụ na ụba maka HDPE.