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Old 07-25-2018, 12:16 PM   #1
Steven R
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epoxy prime over bondo, thoughts?

I was not sure how long my project was going to take between steps and so we decided to epoxy prime the panels after repairing the rust and striping them down to bare metal. I have slowly taking each panel and started the bondo work getting them straight as I can. For the most part I have remove all the epoxy from the areas that had issues so the bondo could then be direct to metal. Then I blocked and scuffed the hole panel inside and out. Then Skimmed the face of the panels with a final coat bondo and blocked down. Some panels are ready for high build primer. I have alot of the epoxy primer left and could easily paint the panels with a coat of epoxy primer with the paint gun I have.

Is this a bad Idea?

I would like to get them with epoxy primer as there as a few spots on each panel with bare metal.

I could get some high build primer, but I do not have the paint, or the right spray gun for this. I am just thinking and want to know Is there an issue with re coating over the bondo with epoxy primer, then In a year when I get to the next stage have the painter scuff the panels and then do like 2-3 coats of high build at that time. With my recent loss of employment I seem- to have time but not the extra cash to buy more paint ect.
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Old 07-25-2018, 05:56 PM   #2
mongocanfly
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Re: epoxy prime over bondo, thoughts?

On mine i sandblasted to bare metal...sprayed it all with epoxy....scuffed the areas for the bodywork...and applied filler over the epoxy...during sanding it's near impossible to not cut thru the epoxy......so I sprayed over it all with another coat of epoxy....scuffed it and then sprayed the high build...
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Old 07-25-2018, 11:34 PM   #3
BIGglaSS
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Re: epoxy prime over bondo, thoughts?

No problem with epoxy over filler. If you're going to let a project sit, epoxy is the best coating to keep everything sealed. Just be sure to sand and apply another coat of epoxy before continuing.

FWIW, there was no need to sand to bare metal to apply filler, if you're within the epoxy re-coat window.
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Old 07-26-2018, 11:54 AM   #4
MARTINSR
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Re: epoxy prime over bondo, thoughts?

But of course, if you sand the epoxy before applying filler it can be out of the re-coat window. That re-coat window is only for not sanding it, and I am an anal dude, there is no way I would apply it without sanding it. That's just me, the "re-coat window" is for applying paint over it in my world.

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Old 07-26-2018, 06:45 PM   #5
Steven R
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Re: epoxy prime over bondo, thoughts?

tks guys just wanted to make sure about my thoughts and plans.
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