Body Work & Auto Paint Tips - Get Your Paint On
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Once a car has been stripped and primered and most of the bodywork has been done, it's time to start fine tuning. Intensive blocking is a staple of any quality restoration. "After a car gets back from media blasting and is down to bare metal, it should be sprayed with a dark-gray epoxy primer to stop rust from forming. You then hit it with a 2K primer and start blocking," Austin explains. "By doing do, any time you see a dark spot it means that you've hit a high spot, which needs to be corrected. Without the epoxy primer base, you'd go straight to bare metal instead. Sometimes high spots are so subtle that you can't even feel them, so this is a great way to verify that the panels are flat. Blocking also removes scratches, pinholes, and other imperfections. This is the stage when low spots should be filled in as well." Block sanding shouldn't be confused with color sanding. It involves sanding down the clearcoat in two-stage paints, and the paint itself in single-stage paints, to remove orange peel, fine scratches, paint runs, and dust nibs. The result is an ultra-smooth finish. View Related Article
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