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Old 06-27-2004, 07:20 AM
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can i re-base after it dries??

i started painting the vette last night, i got about half the base on and found out i didn't have enough hardener to continue. i stopped after the first two coats and plan on putting on two more.my question is is it o.k. to scuff up the base to get the next coats to stick??? i ran out at 3 am so i can't get any more till monday.
the car was wet sanded down to 600 grit and seems it will look great, but i need to know if i can just scuff it up? should it be wet or dry(hopefully dry)maybe about 800 grit to prevent scratching??
or is this an o.k. practice at all??
any help will be greatly appreciated.mike

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Old 06-27-2004, 08:58 AM
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Yes, scuff it as you have done, wipe it down real good with prep solvent, tack rag it and re shoot it.

Of course you should consult the paint manufacturers P sheet for specific instruction on allowable times to re coat. Most quality paints allow a re coat withing a 24 hour period without sanding the previous coat.

Vince
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Old 06-27-2004, 12:43 PM
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Quote:
[i]Originally posted by 302/Z28 [ Most quality paints allow a re coat withing a 24 hour period without sanding the previous coat.

Vince [/B]
************************************************** *
This is a good point and very important. Some bases say 13 -32 hours you can re-coat without sanding. If your sanding and its a premium base it does not matter.
Now a lot of things are changing here as polyesters get improved
and blended with other new things the re-coating hours are changing so it is very important that if you do, refer to the P sheet make sure its not been setting around the jobber store for last 5 years.
Of course if your wet-sanding the whole job this does not matter.
Also if you use an activator with your base everything changes.

Last edited by BarryK; 06-27-2004 at 01:48 PM.
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Old 06-27-2004, 06:03 PM
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i did use an activator with the base,and i can't get more activator till tomorrow. i see a few spots i would like to fix.how risky would it be to get out the spot putty now?i guess i'll have to re-basecoat everything again tomorrow.
should i wet sand or just scuff it with 800 or so?mike
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Old 06-27-2004, 06:21 PM
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With an activator its a pretty safe call that after 2-4 hours you can apply a little glaze or spot putty.
Now, as far as no activator you can go back over without activator if you wish. If your just going to spot a few spots I see no benefit to waiting for activator.
But if your going to re-coat the whole car, than thats a different story.
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