Quote:
Originally Posted by prostock69
How many clay bars would one need to do the entire car?
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this was posted a while back:
How to: Properly Clay your Car
Make sure you have thoroughly washed and dried your car prior to claying.
Cut the clay bar in half. Take the half and cut it into 15 equal pieces:
2 for the hood
2 for the roof
1 for the trunk lid
1 for the trunk rear and rear bumper
2 for the rear quarter panels (1 per side)
4 for the doors (1 per door)(if you have a sedan)
2 for the front fenders (1 per side)
1 for the front of the car
Take the piece and roll it in to a sphere. Take the sphere and flatten it out into a circle so that it covers the top third of your first two fingers. Spray the first section of the roof with quick detailer. Glide the clay across the area in a front to back motion applying some pressure. Work in 2x2 areas. If you feel your fingers going through the clay, then you are pushing too hard. If the clay is streaking on the paint, then you need more QD. While gliding, you should hear a slight noise and feel some resistance. This is the grit being lifted from the paint. When the resistance and noise stops, dry the QD off with a quality towel. Move onto the next 2x2 section and do the same thing. Once half the section is done, flip the clay over and do the other half of the section. Once the section has been completed throw the piece of clay away. It is too contaminated to use on another section. If you do use it, you will most likely put micro scratches in your clear.
Keep working your way down using each dedicated piece for its area. Flip the clay over when you have completed half a section. Throw the clay away when the section is done.
When complete your car should be as smooth as glass. The next steps should be to remove the swirls (if necessary), remove any hazing from polishing/bring out the full gloss, and seal in the rejuvenated finish with a wax or sealant.
A gigantic thanks goes out to Brad B. who outlined this method to a bunch of us a few years ago. I have been using it ever since.