chloichina Posted July 26, 2012 Report Share Posted July 26, 2012 OK I understand to apply after welding but I found nothing detailing about welding after you have already applied. I also know the Rust Seal is thermal resistand to 600 degrees. I will be welding some floor pans in a vehicle and have U shaped supports for the floor pans. I plan on appling Rust Seal to the bottom on the U on the inside where I can't get to after welding. The U channel has two tabs approx 1/2 inch in width with another 1/2 inch going down then 2 inches across the bottom then goes back up 1/2 inch to the other tab. The tabs are where the spot welds will go. The metal is 1/32-1/16th of a inch thick with sheet metal for the floor pans. The Underseal Spray Gun & Probe is not a viable option for me in this area. The question is how much Rust Seal coating will be damaged away from the location of the weld? Quote Link to comment https://success.kbs-coatings.com/topic/1538-welding-and-rust-seal-question/ Share on other sites More sharing options...
KBS Coatings Posted July 26, 2012 Report Share Posted July 26, 2012 The RustSeal can burn off when it gets to 700 degrees Fahrenheit, so whatever areas will reach that temperature could potentially burn away. Quote Link to comment https://success.kbs-coatings.com/topic/1538-welding-and-rust-seal-question/#findComment-2601 Share on other sites More sharing options...
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