Thread: Wet Sanding Paper

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By the time you get to the point of sanding the clear, the body is should already be straight, and you won't get much benefit from using a "long board" sanding techinique. You won't be removing more than a few thousandths of paint film, just enough to remove any dust or ogange peel. At this point, a medium soft block 6, or maybe 10 inches is all you need. I use a standard size that I can wrap half sheets of WD paper around.

Your long board sanding should be over by the time you start shooting color. If it isn't, it's too late, and you will just be trying to use your color coats as filler, which can lead to problems.