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Old 05-19-2009, 08:01 PM
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Help: BC with dust particles in it?

First paint job and I shot two base coats and they look great except...

1. Noticed I have a two in spot where my freaking hose his the side of the car.

2. Dust particles/a hair in the bc.

I have until tomorrow to fix it.

What do you recommend? Wet sand with what? Reprime then BC again?

Please let me know as soon as you can I have to get clear on it by noon tomorrow.

I tried to search this topic but got all sorts of crazy things back when you put dust, or bug or stuff like that. Sorry I usually find the answers but I am very distracted with this situation.

Thanks,

SAM

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Old 05-19-2009, 11:02 PM
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Sam, DON'T PANIC. Use a squirt bottle of water and some 800 grit. I use a short peice of paint stick as a block. I would not reprime or seal. You do not have to get surface perfectly flat as you will have additional coats of base over them. Make sure not to let water run into jambs or onto taped areas or you will have moisture problems. I do spot sanding and dry area with a paper towel. if you sand down to the sealer coat, Stop. Rebase and remember to tack off between base coats.

good luck
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Old 05-20-2009, 12:43 AM
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You DON'T WANT to get the base perfectly flat. Just "nib" the dust off.

You really should have shot a few test panels. If you were to clear what you have you will find that a few dust specs will mean NOTHING once it is cleared. The dust will be full of clear and made to be transparent. Believe me, most every bc/cc job out there, done in a booth or a garage is going to have some dust specs in it. Once it is cleared, cut and buffed they disappear.

Brian
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Old 05-20-2009, 06:12 AM
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I agree

If you are not entering this ride in a car show dont panic.The other post have steered you strait.Just look at it as a 30/30 paint job.Thirty miles an hour,thirty feet away lookssssss goodddddddddddddddddd.
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Old 05-20-2009, 06:32 AM
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I will try the 800 grit. The dust I am not too worried about now. It is pretty minor and this should work great. Where my hose hit the side was pretty bad though. Last night I sanded it with 400 then 600 wet and blocked and then it was down through the primer. So then I shot the Epoxy Sealer with an airbrush and it went on well. I will check it this morning and plan to re-shoot it then.

Tack between coats and just for my help you will get some color on your tack rag right?

Thanks again,

SAM
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Old 05-20-2009, 08:30 AM
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Don't rub that tack rag on it, "drag" it over it. A little color can show up on the rag from dry spray or that sort of thing.

You really need to spray some test panels to get more comfortable with spraying.

Brian
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Old 05-20-2009, 10:16 AM
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Actually my spraying seems really good. No runs and smooth coverage. I have sprayed furniture for a number of years and that has helped me quite a bit. I think the dust issue was because of not tacking between coats. I tacked the first coat then I saw the paint color on the rag and was concerned. I don't rub the tack rag I loosely wad it up and gently go over the car. Now that I know the color is ok if it gets on the rag I should be good to go.

I sanded down the spot that the hose hit, airbrushed epoxy sealer and now I have mist coated the area with my air gun. I should get real good coverage now. I will try and post a few pic's when completed.

Thanks,

SAM
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