Suggestions on Preprimered Spoiler prep and paint
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Joined: Thu Mar 30, 2017 4:47 pm Country: USA |
Greetings, I bought a new FRP spoiler that says it already has black primer on it. Would you trust the primer? or would you sand and reprime?
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Easy test....just take some lacquer thinner and swipe it. If you pull the "primer" back up in the rag/towel get rid of it. If your rag is clean it is probably a black sandable gel coat sprayed into the mold first when laying up the lamination. The use of black makes it "self guide coating" so you can easily see the hips/dips and mold imperfections to work out. It would then "powder" up as you sand. You would not want to get rid of a sandable gel coat as that gel coat increases surface strength and keeps any further fiberglass cloth or mat from "printing" up through your paint.
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