Ko nga mea whakakikorua i te wai-a-whaiaro he momo mea parewai i hangaia mai i te raima rapa-a-whaiaro i mahia mai i te SBS me etahi atu rapa waihanga, te tackifier me te raima hinu hinu-kounga teitei hei rauemi turanga, te kiriata polyethylene kaha me te uaua, te peera konumohe konumohe hei papa o runga, me te peelable silicon coated diaphragm-pepa peelable te peera o te paninga o te mata o runga.

He momo hou o te rauemi parewai me te tumanako whanaketanga nui. Kei a ia nga ahuatanga o te ngawari o te pāmahana iti, te whakaora whaiaro me te pai o te mahi honohono. Ka taea te hanga i te pāmahana rūma, te tere hanga tere me te whakatutuki i nga whakaritenga o te tiaki taiao. Ko nga mea whakakikorua o te rapa raima he mea kopaki-whaiaro he mea whakakikorua i te wai me te kapia rapoi teitei me te parapara teitei hei turanga, te kiriata polyethylene me te konumohe konumohe hei raraunga ahua, me te paparanga arai wehenga.
Ko te hua he kaha te mahi honohono me te whakaora whaiaro, a he pai mo te hanga i roto i te taiao teitei me te iti. Ka taea te wehea ki te potae whaiaro-piripiri me te tire-free-whaiaro. Ko te potae he mea tito i nga pokapu whakapiri-whaiaro o runga me o raro, he mea hono ki te turanga potae. Ko te uhi o runga he kiriata vinyl me te uhi o raro ko te peelable silicone hinu kiriata. Ko te tire-free self-adhesive he mea tito ki te whakapiri-whaiaro, te kiriata vinyl o runga me te kiriata hinu silicone raro.
Ko te hua he pai te mahi parenga pāmahana iti. Koia nga raraunga parewai, makuku-makuku me te hiri mo te reriwe, te kauhanga me te waahi mahi wera. He pai hoki mo te paipa waikore me te miihini anti-corrosion. Kaore he hiahia mo te whakapiri, te whakamahana ranei kia rewa. Haea noa te paparanga arai ka taea te here ki te paparanga o raro. He watea te hanga, he tere rawa te hanga.