Glenn Posted July 5, 2012 Report Share Posted July 5, 2012 I am trying to decide whether to use KBS rustseal and/or Penatrol underneath my new vehicle. I need to coat inside the chassis cavity, underbody, external chassis and there are UV exposed rear crossmembers and tow bar areas to protect. Does rustseal offer comparative penetration as Penatrol and does it have a corrosion inhibitor aswell? Why would rust seal be better than Penatrol? Can I use rustseal then put Penatrol on top if required? I have been told that rustseal will not stick to Penatrol if using Penatrol first. Thanks Glenn Quote Link to comment Share on other sites More sharing options...
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