I-IPE beam, eyaziwa nangokuthi i-I-beam noma i-universal beam, iyinsimbi ende enesiphambano esifana nohlamvu oluthi “I”. Isetshenziswa ngokuyinhloko ezinhlelweni zobunjiniyela bezakhiwo nezakhiwo ukunikeza ukwesekwa nokuzinza kwezakhiwo nezinye izakhiwo. Imishayo ye-IPE iklanyelwe ukumelana nokugoba nokusekela imithwalo esindayo, okuyenza ibe yinketho eguquguqukayo kumaphrojekthi wokwakha ahlukahlukene. Ngokuvamile isetshenziswa ekwakheni amafreyimu, izakhiwo zezimboni, amabhuloho.