For curving and bullnosing, Roofmart recommends a heavier gauge steel such as 0.60 Corodek®.
This is a custom length, corrugated roofing profile, manufactured from 0.60mm BMT COLORBOND® steel and ZINCALUME® steel or galvanised steel. G300 steel allows for the curving and bending of 0.60 Corodek®