Steve L Posted August 26, 2019 Report Share Posted August 26, 2019 I just bought a 2016 GMC Sierra and the frame has what appears to be a factory rubberized or wax coating on the frame. This coating is peeling off along many of the edges and welds but is in good shape elsewhere. Must all of this coating be removed or stripped prior to using the klean/blast/seal method or can I just remove the loose/peeling parts and klean/blast/seal over the rest? Any experience? Thanks! Quote Link to comment Share on other sites More sharing options...
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