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Old 11-07-2018, 12:10 PM   #1
chrs1961815
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Default Sandblasting a 28 Roadster Door

So I was wondering how I should sandblast my 28 Roadster door. The inside is what I am not sure about it. I know a little shows with the kick panel put on, so you would need to at least get that part and mask off the rest. Or should I just sandblast the whole thing?
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Old 11-07-2018, 12:13 PM   #2
J Franklin
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Default Re: Sandblasting a 28 Roadster Door

Sandblast and repaint the whole thing to stop rusting.
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Old 11-07-2018, 02:39 PM   #3
chrs1961815
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Default Re: Sandblasting a 28 Roadster Door

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Sandblast and repaint the whole thing to stop rusting.
That is what I want to do but the backside of the front is hard to get at because of the shet metal covering it. Suppose it doesn't matter that I dont get all of it.
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Old 11-07-2018, 10:08 PM   #4
Ed
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Default Re: Sandblasting a 28 Roadster Door

Rather than using a sand blaster, you might want to see if you can fit the door into a bead blasting cabinet. By using the smaller nozzle in the bead blaster you should be able to get into a lot more of the hard to get to areas.

By using the bead blasting cabinet you can also reduce the air pressure. This will help reduce the chance of warping the metal.
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Old 11-08-2018, 08:03 AM   #5
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Default Re: Sandblasting a 28 Roadster Door

Make sure you strip the paint off first. This will reduce the chance of warping the panel. Inside sandblast what you can and then use a liberal amount of rust converter an slosh it around. Pour off the excess. You should be good to go.
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Old 11-08-2018, 09:16 AM   #6
nick c
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Default Re: Sandblasting a 28 Roadster Door

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On my 29 ccpu doors I cut the bottom part off to replace it, while off , I also removed the window mechanism and lock. Then I sandblasted them inside and out with a commercial type sandblaster, mine has a john deere diesel engine and a 300 lb pot.
Turn air pressure down a low as possible and still work
Always strike the metal at an angle, like about 45*
Use fine sand
Keep moving, don't stop in one place, You can always come back.
Increase the distance from 6" normal to 18"
Don't spend a lot of time on the inside and outside of the door skin
carry on nick c
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