Itanki ye-septic ye-FRP ibhekisa kwisixhobo esisetyenziselwa ngokukodwa ukunyanga ilindle lasekhaya, esenziwe nge-resin eyenziweyo njengesiseko semathiriyeli kwaye yomelezwa nge-fiberglass. Itanki ye-septic ye-FRP ifaneleka kakhulu izixhobo zokucoca ugutyulo lwasekhaya kwiindawo zokuhlala zamashishini kunye neendawo zokuhlala ezidolophini.