Sabbin kayan hana ruwa shiga sun haɗa da kayan hana ruwa shiga mai roba, kayan hana ruwa shiga mai ... Rashin kyawun kayan da aka naɗe masu hana ruwa shiga: misali, lokacin da aka auna kuma aka yanke kayan da aka naɗe masu hana ruwa shiga bisa ga siffar tudun ... Saboda yana rufe nau'ikan kayan shafa guda biyu a lokaci guda, samfurin ya haɗu da fa'idodin kwalta mai gyaran elastomer da kwalta mai gyaran filastik, wanda ba wai kawai ya shawo kan lahani na rashin juriyar zafi da juriyar birgima na kayan da aka naɗe na kwalta mai gyaran elastomer, amma kuma yana rama lahani na ƙarancin sassaucin zafin jiki na kayan da aka naɗe na kwalta mai gyaran filastik mai gyaran filastik, Saboda haka, ya dace da injiniyan hana ruwa shiga hanya da gada a wurare masu sanyi a arewa, da kuma injiniyan hana ruwa shiga rufin a wurare na musamman na yanayi kamar bambancin zafin jiki mai yawa, tsayi mai yawa, ƙarfin ultraviolet da sauransu.