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Old 01-10-2012, 12:44 AM
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surface rust under paint

Hey Guys This is Andrew from Australia. I need a little help with my current project and am hoping that someone can share some info..

My new project car has in some areas small sections of surface rust that can be seen under the paint. It looks like small squiggly lines, in other areas the rust is a little worse and has broken through the paint. Ive ground away the paint above these effected areas down to bare metal, only very minor pitting remains but i am left with ground down patches all over the car. My plan was to skim the patches with filler and then spray the car with epoxy primer, then wet sand etc..

Does this sound like the right way to do it? i dont want to strip the entire car to bare steel as it will take too long and the surrounding paint is in very good condition.

Should i be using some type of rust converter over the patches? i figure not as the patches are ground down to steel..

will it be ok to spray 2 pack paint straight on top of the epoxy primer? or do i need a special 2 pack paint primer?

All advise, ideas are appreciated. Thanks

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Old 01-10-2012, 05:49 AM
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The surrounding paint may very well be in good condition. It is the metal under the paint you have to worry about.
I am pretty sure, the paint in very good condition, has some rust under it.
The rust just has not broken through yet.

In my opinion, this gets down to if you want to do the job once, or twice?
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Old 01-10-2012, 07:32 AM
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Yes I would sand down a larger area to be sure theres no more rust than sand bast with a small blaster. Then epoxy prime than do your filler work.
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