I-steel grating yenziwe ngensimbi eyisicaba kanye nensimbi esontiwe ngokwesikhala esithile kanye nezinsimbi eziphambanayo (insimbi eyisikwele esontiwe, insimbi eyisikwele, insimbi eyindilinga, insimbi eyisicaba, njll.), futhi ishiselwe ibe umkhiqizo wensimbi ovimbela ukushushuluza onegridi eyisikwele ngaphakathi phakathi, ama-Steel gratings asetshenziselwa ikakhulukazi ikhava ye-gutter, ama-slabs esiteji sesakhiwo sensimbi, izitebhisi zesinyathelo nokunye.