ʻO ka coil i uhi ʻia ke kala he huahana ia o ka pepa wela wela, ka pā zinc plated alumini wela, ka pepa electrogalvanized, a me nā mea ʻē aʻe, ma hope o ka hoʻomaʻamaʻa ʻana o ka ʻili (kemika degreasing a me ka hoʻololi ʻana i ke kemika), i uhi ʻia me kahi papa a i ʻole kekahi mau papa o ka uhi kūlohelohe ma ka ʻili, a a laila kālua ʻia a hoʻōla ʻia.No ka mea i uhi ʻia me nā ʻano kala like ʻole o ka peʻa kala kala kila kila i kapa ʻia, i kapa ʻia ʻo coil coated color.ʻO ka hoʻohana ʻana i ke kila kila wela wela ma ke ʻano he kumu kumu o ke kala kila i uhi ʻia me ka pale ʻana i ka zinc layer, ʻo ka uhi ʻana i nā mea kanu ma ka papa zinc ke kuleana o ka uhi a me ka pale ʻana, pale i ka ʻōpala kila, ʻoi aku ka lōʻihi o ke ola lawelawe ma mua o ke galvanized. wehe, ma kahi o 1.5 manawa.ʻO ka coil i uhi ʻia ke kala he māmā ke kaumaha, nani ke ʻano a me ke kūpaʻa corrosion maikaʻi, a hiki ke hana pololei ʻia