Ichi ndicho chimwe chezvinonyanya kushandiswa zve geotextiles mukuvaka kwemigwagwa yemigwagwa, marara, minda ye sthletic, etc. Inobvumira kukurumidza kubviswa kwemvura apo ichipa yakanakisa kuchengetedza ivhu, kuvimbisa kwenguva refu yekusununguka kwemvura inoyerera.