At this stage you should have ever thing flat ,400 is to fill the 220 grit, it should take a light scuff using the hand (techniques required) .400 OK so long as you are putting a reasonable amount of paint on, 3 coats .Some Met base coats need . 600 grit .
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Originally Posted by Don
What is the final grit sandpaper do you painters use on the primer before putting on the color. I think if you use to fine you have a tendency to get waves on a flat panel ( doors) .I have everything flat using 220 ,thinking about putting a little more primer on and using 400 grit.I will be using single stage urethane and no CC. This is on a 36 w
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