Hoʻohana nui ʻia nā ala hao hoʻoheheʻe maʻamau, e like me ke galvanized cold-rolled steel rail, no nā huki huki hale. Loaʻa iā lākou nā koi haʻahaʻa no ka mahana a hiki ke kū i ka 70 degere, kūpono loa i nā kānaka. No ka mea, he mau ʻili pele palaka ka mea hoʻoheheʻe maʻamau, nā mea pani a me nā ʻāpana hoʻokaʻawale plastik i loko o ka hale, inā ʻoi aku ke kiʻekiʻe o ka mahana ma mua o 70 degere, e palupalu ka ʻāpana plastik, e hoʻopilikia i ka noi i ka manawa.