Goodlife Posted January 23, 2018 Report Share Posted January 23, 2018 Hi, I'm about to paint my freshly built steel trailer (mostly c channel - black steel). I'm going to follow the 3 step process no problem. Now I have 1l of POR15 gloss black that I'd like to use up first. Is it ok to use Rust Seal over [email protected]&15 for the 2nd coat? Thanks Quote Link to comment Share on other sites More sharing options...
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