Hoʻohana nui ʻia ka alumini kala (ka ʻili alumini kala), ka polyester maʻamau i uhi ʻia i ka alumini (koli alumini kala), i hoʻohana nui ʻia i nā paneli honeycomb aluminika, nā pale alumini, nā luna o ka hale, a me nā mea i koe. Paʻa loa kāna hana a ʻaʻole hiki ke ʻino ʻia. He ʻano mea hou.