After you remold it when both sides are dirty, something dirty will touch the paint. If you just fold it (making sure nothing dirty remains visible), then nothing dirty ever touches the paint.
2011 Honda CR-Z; 2006 Acura TSX; 2000 Acura Integra
That's the way I see it anyway. Mind you, I always just use one side and remould but I can't see why it would matter either way. Perhaps Mike Stoops can chime in with his view?
I'm in agreement with davey g-force. I can't see how it would make any difference.
The rules of claying that should NEVER be ignored are:
1) if you drop the clay on the floor, throw it away immediately
2) knead the clay regularly to expose fresh material
3) when you can no longer expose fresh material, it's time to retire that clay bar
4) keep the surface well lubricated with a proper clay lube
5) don't use heavy pressure when claying; let the clay bar do the work
Beyond that, whether you want to flatten that clay bar and then use both sides before kneading or you want to knead after one side is "loaded", that's entirely up to your discretion. It's as much a judgement call as deciding what "loaded" really means, or when the clay bar is completely used up. We know people who won't use a clay bar on two different cars, and we've seen people using clay that was so far beyond it's time it was appalling. But there's a huge gap in the middle of those extremes, and that's where your own judgement comes into play.
If you know that a particular car has extremely delicate paint and claying is going to mar it no matter what you do (a certain non metallic black 2011 Prius that is a regular at out TNOG sessions comes to mind) then you might want to start with as fresh a piece of clay as you can find - preferable still wrapped in the factory plastic wrapper! If the car is very badly contaminated and you fully intend to machine polish anyway, then a lightly used clay bar isn't going to cause any problems. And even those two scenarios are open to interpretation and discretionary judgement, aren't they?
For the record, speaking strictly from personal experience (in case anyone is wondering) I usually flip the clay bar before kneading it and I've never damaged the paint in doing so. That's not to say GoZoner is wrong, not even close. If that's how he likes to work, that's fine. It's a cautious approach, and we'll never tell anyone that being cautious is a bad thing. We will, however, step in and tell someone if they're doing something dangerous, or if they're being downright sloppy, inefficient, wasting time, wasting product, or mismatching product with process, etc.
Internet Technical Specialist | Meguiar's Inc.
(800) 854-8073 xt 3875
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