No nā paipu wela i kanu ʻia, pono ka hoʻolālā paipu e hoʻomalu i ka nalo wela a mālama i ka wai mai ka insulation. Hoʻohana ʻia kahi hoʻolālā maʻamau i ka paipu lawe kila, ka ʻūhā PU a me ka ʻili aniani i hoʻoikaika ʻia i waho o ka uhi. Lawe ka ʻāpana kila i ka wai wela a i ʻole ka wai kaʻina hana. Hoʻopaneʻe ka ʻōhū i ka hoʻoili wela. ʻO ka uhi waho e pale i ka insulation ʻoiai e mālama ʻia ka paipu, hāpai ʻia, waiho ʻia i loko o ka ʻauwaha a uhi ʻia me ka lepo.
Pono e nānā ʻia ka ʻikepili waiwai ma mua o ke kau ʻana i kahi kauoha. Hoʻohana ʻia ke kila Q235B a me Q345B i ka mea kuhikuhi, a ʻo ka paipu lawe lawe ʻole ʻia a wili ʻia paha. No ka papa insulation, ua pani ʻia nā kiko kūpono -cell content a me ka waiwai wela: hiki ke kuhikuhi ʻia ka huʻa ma 92 pākēneka i pani ʻia a ʻoi aʻe paha, me ka hoʻokō wela ʻaʻole ma luna o 0.033 W/(mK). Ma kahi i pulu ka lepo, ʻino a ʻoi aku paha ka wela ma mua o ka maʻamau, hiki ke kuhikuhi ʻia ka ʻaʻahu FRP ma 3 mm a ʻoi aʻe paha e hāʻawi i ka pale ʻoi aku ka maikaʻi o waho.
Pono ke kaha kiʻi e helu i ke anawaena o waho, ka mānoanoa o ka paia kila, ka paia insulation, ka lōʻihi o ka paipu a me ke ʻano hopena. He mea nui kēia mau kikoʻī no ka mea ʻaʻole he paipu wale ka huahana. He kino paipu hui ia me kahi papa lawe, kahi ʻūhā a me ka pūpū pale. Kōkua ka ʻikepili maʻemaʻe i ka hale hana e koho i ka mānoanoa o ka foam, ka ikaika wili a me ke ʻano hoʻopaʻa hoʻopaʻa ʻana no ke ala maoli, ma kahi o ka hana ʻana i kahi paipu insulated maʻamau i kūpono ʻole i ka papahana.
