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Old 09-04-2019, 07:33 PM
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Full door painting prep question

Iím getting ready to rehab my steel doors and Iím not sure the best way to sand them prior to paint. Iíve got a Dewalt angle grinder, so is there a sanding or polishing wheel that would work? Iím going to rattle cam them with paint from AutoZone and if it works out well, perhaps do the rest of the Jeep next year. Iím hoping to have them done before winter sets in, but if not Iíve still got fabric doors that should get me by.

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Old 09-04-2019, 08:08 PM   #2
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If You can Help it. TRY NOT TO USE AN ANGLE GRINDER.... It will dig into the paint no matter how hard you try not to. Your best bet would be an orbital sander, preferably dual action.

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Old 09-04-2019, 08:11 PM
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It turns out I have one of those as well. What grit should I use?

Thanks a bunch.


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Old 09-04-2019, 08:38 PM   #4
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Old 09-04-2019, 08:49 PM   #5
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shouldn't be using any motor tool.

are you stripping them bare?
primer?
over old paint?
if you going over primer or old paint it really should be wet sanded by hand.
several coats of paint should be applied,each allowed to dry and wet sanded again between coats
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Old 09-05-2019, 09:03 PM   #6
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Use a da with 400 grit to sand then scuff with a red scotch brite pad. Primer as needed any bare metal areas.
Remove all trim and wipe panel down with wax and grease remover.
Blow panel off and lightly wipe with a tack cloth.

You would get better results with a single stage automotive paint verses aerosol cans.



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Old 09-06-2019, 03:13 PM
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Thanks for the thoughts everybody. I donít plan to be taking them down to bare metal, but just putting a new topcoat on. They are relatively scratched up and I canít quite find a touch up paint thatís close enough to just spot paint them. Iíve got all of the hardware and internal components removed so that I can clean them all up a little bit too and have a solid, even paint job.


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Old 09-07-2019, 09:20 AM   #8
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Relatively scratched up? You better off to take them down to bare metal, fix imperfections, primer and full paint. Takes less time to do it right the first time. Spot paint an old surface calls for problems. I did that and the results is immaculate. Time well spend.
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Old 09-07-2019, 10:12 PM
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Well, to be more clear, the paint is scratched, but not down to the metal. There are several layers of paint on the door and you can just see the different colors at some spots. In case that matters at all.


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Old 09-07-2019, 10:40 PM   #10
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When I have something with a lot of paint I take it to be media blasted.

I don't have any pics of my full doors after they were media blasted but here's a couple pics of the tub when it came home from the media blasters in 2014.

Make sure you fit the doors to the tub before sending them to the media blasters, or at least well before you begin prepping them to paint.
The third pic is how much I had to move the hinge to get the door to fit. Just imagine what that would look like if I didn't fit the door to the tub first.

Good Luck, L.M.
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Old 09-08-2019, 07:14 PM
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Thatís interesting about the hinges. I put new ones on a couple years ago and thought something was wrong when they were that different from the originals.


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