Zincalume uamea faʻapipiʻi faʻapipiʻi faʻapipiʻiina o le 55% alumini, 43.4% ma le 1.6% silikoni faʻamalolo i le 600 ℃.Zinalume uʻamea uʻamea (bobina de galvalume) ei ai se foliga siliva-paʻepaʻe matagofie.
Galvalume coils o loʻo faʻaaogaina lautele i le fausiaina, fale mama, taavale, meafale, mea tau eletise, faʻatoʻaga, faʻatoʻaga manu ma faigafaiva, afifiina o oloa ma isi pisinisi.O lona taumafaina e masani lava ona lua vaega: oloa galvalume ie uamea ma galvalume coils muai valiina.I tausaga talu ai nei, o taavale, faufale, meafale ma isi pisinisi a Saina ua vaʻaia le televave o le faʻatupulaia o le manaʻoga mo oloa galvalume, aemaise lava i le televave o le atinaʻeina o le fausiaina o fausaga malamalama, o le faʻatupulaia o le taʻavale taʻavale, o le lauiloa lautele o meafale, sooga faʻatasi. pisinisi, mea tau eletise atoa, ma le tele o oloa faaeletonika e auina atu i fafo, ina ia vave ona faateleina le taumafa o galvalume/aluzinc coils.O le gaosiga i totonu o le atunu'u o oloa galvalume ua vave ona atia'e i tausaga talu ai nei.