Intsimbi ethe tyaba eyenziwe ngesinyithiibhekiselele kwintsimbi ekhandiweyo enobubanzi obuyi-12-300mm, ubukhulu be-4-60mm, i-cross-section exande kunye nemiphetho ebuthuntu. Intsimbi ethe tyaba enegalvanized ingagqitywa intsimbi, kwaye isenokusetyenziswa njengendawo engenanto kwimibhobho eyenziwe ngamagalvanized strips.