This program is currently only available for continuing students. Contact 1800 061 963 or email: myVETcourse@cdu.edu.au for further information. The target learner for Certificate III in Roof Plumbing is typically (but not limited to) Roof Plumbing candidates who have entered into an apprenticeship. This qualification has core and elective units of competency requirements that cover some common skills for the plumbing industry, as well as, roof plumbing specialist units of competency. This qualification is only available as an Apprenticeship.