Salt is no problem for RustSeal. We have several trucking companies using KBS RustSeal to preserve their equipment.
You can find complete instructions for RustSeal here: http://www.kbs-coatings.com/RustSeal-Information-and-Instructions_ep_38-1.html
You can also find Instructional Videos here: http://www.kbs-coatings.com/KBS-Videos_ep_90-1.html
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