Gukomatanya geomembrane (compte anti-seepage membrane) igabanijwemo umwenda umwe na membrane imwe nigitambara bibiri hamwe na membrane imwe, hamwe nubugari bwa 4-6m, uburemere bwa metero 200-1500g / metero kare, nibipimo byerekana imikorere nubukanishi nka imbaraga zikaze, kurwanya amarira, no guturika. Hejuru, ibicuruzwa bifite ibiranga imbaraga nyinshi, imikorere myiza yo kuramba, modulus nini yo guhindura ibintu, aside irwanya alkali, kurwanya ruswa, kurwanya gusaza, hamwe no kudahinduka neza. Irashobora gukenera ibikenerwa mu mishinga y’ubwubatsi nko kubungabunga amazi, ubuyobozi bwa komini, ubwubatsi, ubwikorezi, metero, tunel, ubwubatsi bw’ubwubatsi, anti-seepage, kwigunga, gushimangira, no gushimangira ingufu. Bikunze gukoreshwa mu kurwanya anti-seepage mu gutunganya ingomero n’imiyoboro y’amazi, no kuvura umwanda w’imyanda.