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Old 02-21-2013, 12:07 PM
69 widetrack 69 widetrack is offline
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Originally Posted by Dayo5 View Post
Hi Ray,
I need to cut off some rot in a couple of places, then fabricate a couple of patches to MIG onto the body. Do I replace the metal then Epoxy prime over it, OR do I epoxy prime in the cut out area, then put the patch on over the freshly epoxy primed area? I guess I was thinking it wouldn't be a bad idea to spray into the cut out void.
thanks as always
I prefer to cut out the rusted areas, apply a weld through primer on the patches (booth sides) and the body...weld my patches in, grind my welds smooth and epoxy prime. If your cutting out rust, the void your talking about most times has rust in it as well. I like to clean up that rust (grinding or sandblasting) and prime those areas with epoxy primer...if you don't, the rust will spread back to the patch you put in and start rusting all over again.

I hope I explained that well enough, if not let me know and I'll try and go into more detail.

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