Ke hoʻolauna nei i kā mākou papa hana sanwī alumini hou me ka PU foam, kahi mea hoʻohui ʻoki ʻoki i hoʻolālā ʻia e hoʻokō i nā koi o ke kūkulu hou ʻana a me nā noi ʻē aʻe. ʻO kēia papa kiʻekiʻe he ʻelua papa o nā ʻāpana alumini kiʻekiʻe i hoʻopaʻa ʻia i kahi kumu o ka polyurethane (PU) foam, e hāʻawi ana i kahi kaulike kūpono o ka ikaika, ka lōʻihi, ka insulation, a me nā waiwai māmā. Me ka nui o nā noi e like me ka mālama anuanu, ke kūkulu ʻana, nā lako ea ea, a me ka hana moku, ʻo kā mākou alumini sandwich panel me PU foam ka koho kūpono no kāu papahana aʻe.