Darb Posted June 2, 2019 Report Share Posted June 2, 2019 I am wanting to use the 3 step system on my vehicle frame and bottom of floor pans. It has a lot of 40 year old undercoat that I have not been able to remove. Will rust seal adhere and encapsulate over the undercoating? Jason Kendall 1 Quote Link to comment Share on other sites More sharing options...
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