1.A piha piha o nā huahana waeʻano, me ka TPO, PVC EPDM, EVA , HDPE Geotextle.
2. ʻO nā ʻano membrane a pau, me ka hoʻoikaika ʻia, ka hulu hipa, ke one i uhi ʻia, ka paʻa ponoʻī, ka papa hele wāwae.
3. Loaʻa nā lako āpau, me ka prefabricated, sealing a me nā mea paʻa.
4. ʻAʻohe hopohopo no kēlā me kēia helu ma ka maikaʻi, ke kumu kūʻai, ka pūʻolo, ka hoʻouna ʻana, ka hāʻawi ʻana, ka hōʻoiaʻiʻo, ka lawelawe etc.