Ibiranga:
1) Gukoresha byoroshye, nta ngingo zifatanye: umushumi, spray idakoresha umwuka, uburoso.
2) Ifite ingano ikomeye kandi irwanya gusaza kw'ikirere.
3) Gufatana neza kw'ubuso.
4) Ikora membrane yuzuye kandi idafite umugozi nta ngingo nyuma yo gushonga.
5) Irwanya ubushyuhe n'ubukonje neza cyane.
6) Ntabwo ari uburozi, nta mpumuro idasanzwe.
7) Hari amabara menshi kandi amabara ashobora guhindurwa.
8) Ikwiriye cyane cyane mu bwubatsi budapfa amazi aho imiterere yayo ari igoye kandi aho imiyoboro igonga.
Icyitonderwa cy'Ubwubatsi:
Sukura mbere yo kubaka, ushobora kozwa n'amazi rimwe, komeza ushyireho ifu aho hasi hasukuye, nta mwanda w'amavuta nta moss, nta gice cyoroshye. Umucanga wo hejuru wa sima, ibara ry'icyuma cya tile, imbaraga z'ubutaka bwo hasi ntabwo ziri hejuru, ugomba gukoresha agafunga hanyuma ugasiga irangi. Hitamo izuba rirenze dogere selisiyusi 0 ushobora kubakwa, ntuzane amazi mu irangi. Vinegere y'umukara ya polyurethane ni umukara iyo idasenyutse, n'umukara gusa iyo yumye.