You have pulled a dent and primed, and block sanded a couple of times, but one spot keeps sanding through to metal. Is it the primer you’re using or is there another problem causing this issue?
This is a question one of my YouTube subscribers have. This is a hard question to answer replying in a comment, so I made a Q&A video to answer this question. To learn how to prevent this problem, then watch my quick video response below.