Ko te weawe geotextile he mea hanga ki te polypropylene, polypropylene me te polyethylene miro papatahi hei rauemi mata, a, e rua neke atu nga huinga miro whakarara (he miro papatahi ranei).Ko tetahi roopu e kiia ana ko te whenu miro i te taha roa o te whatu (te ahunga e haere ai te papanga)