Galvanized Cchannel steelgood didara igbekale c purlin fun tita

GalvanizedcsteelAwọn ohun elo ti wa ni lilo fun atilẹyin igbekale ni awọn ile. Pupọ julọgalvanized c ikannipurlins jẹ awọn paati pataki ti awọn ẹya orule. Awọn purlins aja ni atilẹyin boya nipasẹ awọn rafters tabi awọn odi ile ati pe a gbe deki orule sori awọn purlins.