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Old 05-02-2008, 05:30 PM   #13 (permalink)
Dapapadon
Senior Member
 
Join Date: Jan 2007
Location: Portland, OR
Posts: 316
You're Welcome! I can understand what's written in that book. Others I have I've read & reread several times and still don't quite understand some of it.

Dealing with masking lines is what separates the men from the boys in custom painting. Guess I'm a newborn, I try to avoid it. Or change colors at trim. Some guys use hand painted pinstriping to hide the masking line. You can see this at car shows. And it's probably what I would do on a custom two tone or flames.

If you're going for three colors on the car as you described talk to your local paint supplier. You might research it a little first. I'd do it with base coat/clear coat. Not sure how to explain this, I don't do it. But when you paint the masked area, then remove the masking a small amount of paint that extended up over the masking remains. In painters terms they call this a "waterfall". To minimize the waterfall you can use thin masking tape like 3M's Fineline. But you still have a waterfall, only smaller. Some base coats can be sanded, some cannot! (I don't think you can sand PPG's) Some colors don't take sanding well, silver may show sanding scratches even on a base that can be sanded.

Some systems have an inter-coat clear available for this. Kinda like a clear you shoot over the base then sand out the waterfalls. Then shoot the final clear.

As I said, I don't do this. Just passing on what little I know. Best to do a little research, then talk to your local supplier. Personally I'd then buy a little paint in the recommended system and do some test panels till I was comfortable I could get the results I wanted. I'd hate to see you paint the car then not be happy with the masking lines.

Hope this helps, Don
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