KBS Coatings Posted September 20, 2008 Report Posted September 20, 2008 Is it possible to use something like 3m's underseal or a any urethane truck bed liner product directly on top of Rust Seal. I'm doing an old VW and would like to use it for the sound deadening qualities. If so what prep do you recommend? Just the usual 80 grit scuffing on cured Rust Seal or something special? Thanks Quote
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