In this video, we braze aluminum boat in an area that was previously patched with epoxy. the seam that runs down this aluminum boat has separated and is. Aluminum boat rivet repair video. we wanted to experiment with using g/flex to fix leaking aluminum boats. i was quite surprised to find that every aluminum boat. Hy-poxy systems, inc. – 4-minute epoxy, aluminum, steel & clear fast-curing epoxy, instant adhesives, automotive and industrial repair and tool compounds..