1st Post, question about rust protection after butt welding cab corners

J

J3Cub

New Member
I joined this forum to learn as much as I can. Being from Pennsylvania we get a lot of corrosion. I have a small project that I am working on which will require me to butt weld some cab corners to the cab of a pickup truck. I am confident in my fitment but am concerned on how to protect my weld area after the fact. How should the outside and the inside of the weld be protected for maximum corrosion resistance? Thank you for any help and if I need to give more detail I will do that.
 
I’m note sure if this is a daily driver or a resto summer only deal or what. I also cavity wax inside rockers, cab corners, etc. Wherever I can get the wand into. I’m also in the rust belt.
 
I agree with Whitesnake, epoxy any bare metal you can get a spray gun in front of, then cavity wax the inside areas that you can't get to. The cavity wax should be the very last step, I usually spray until a few drips come out, then hit the same area again the next day.
 
This will be for a daily driver, exposed to all weather conditions. I will research cavity wax. Where can I go to find the best prep for epoxy?
 
J3Cub said:
This will be for a daily driver, exposed to all weather conditions. I will research cavity wax. Where can I go to find the best prep for epoxy?
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1 can will be enough to do rockers and cab corners, Transtar #4423 is around $20 around here, a 24" wand will be another $5. You can coat the inner doors and over the rear arches, but you will need to hose those areas off and dry them completely before spraying the cavity wax. Any excess drips can be wiped away with mineral spirits. The first few hot days next summer will cause a few more drips if you coated it well.
 
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