I-steel grating, inhlanganisela yezinsimbi zensimbi eziklanyelwe ukuphatha imithwalo esindayo enesisindo esincane, isiphenduke into ebalulekile ekwakhiweni kwesimanje kanye nezicelo zezimboni. Yaziwa ngamandla ayo nokuqina, igridi yensimbi isetshenziswa kakhulu kuzilungiselelo ezahlukahlukene, kufaka phakathi phansi, ama-mezzanines, izitebhisi, uthango, nokunye.