rustyzedder Posted May 1, 2011 Report Share Posted May 1, 2011 Hello sirs. I have a repair that will require fiberglas paste and/or plastic filler that I wish to treat first w/the 3 step system. I understand you recommend fillers to be applied 4-12 hrs after the 2nd coat of rustseal. My question is when leveling the first coat of filler a coarse grit sandpaper will be used, and obviously will be scratching into a rustseal treated area during the leveling process. How am I to sand (level) my filler without damaging the rustseal treated area? I'm a little unclear on this. One would think you would apply your fillers after the rustblast, before using rustseal. Please elaborate. Thank you Quote Link to comment Share on other sites More sharing options...
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