Sinikeza insimbi egaywe ngegalvanized enobukhulu obuphakathi kuka-0.12mm kuya ku-5.0mm nobubanzi obuphakathi kuka-500mm kuya ku-1500mm. Ukumboza kwethu kwezinki kuhluka ukusuka ku-40gsm kuya ku-500gsm. Le nsimbi ilungele izinhlelo ezifana namashidi ophahla, amashidi okwakha, insimbi yokwakha, ama-purlins, kanye nezinsiza ezahlukene zezimboni.