Quote:
Originally Posted by supersport#69
I’m having it painted but I can find out what that coat is.
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I think Webfoot was just talking about your block sanding process. Usually a guide coat is sprayed or rubbed on to make low spots & sand scratches stand out. Decades ago I used to add black acrylic or urethane to my primer darken the last coat of primer. Worked pretty well & was easy to do.