Sisitemu ya FOEN ya PV, ni sisitemu ya aluminiyumu yo kurinda imirasire y'izuba. Ubuso butandukanye bwarangiye ntibwerekana gusa ubukana bwa sisitemu ya frame, ahubwo binashimangira imikorere n'ingaruka ziboneka. Imigaragarire idasanzwe ituma kwishyiriraho byoroshye kandi byoroshye.Umubare wa Ikadiri Ibisobanuro birashobora guhuza ibikorwa bitandukanye nabakiriya.
Mubisanzwe, dukoresha 6063 cyangwa 600, T5 cyangwa T6 kumurongo.Turashobora gukora ubwoko bwinshi bwo kuvura hejuru, nka anodize, ifu yifu, electrophoreis na Sandblasting.dushushanya umwobo wamazi nubwubatsi bukomeye kugirango tubuze ikadiri guhinduka no kumeneka.