I am going to use a do it yourself liner for the rocker rust protection on my Suburban. I am probably going to use Durabak, but I am wondering if anyone has used duraliner before? Only because I can buy it locally. It is the same price, but I have not seen it before. Anyone? Thanks Ken H. '86 K5 up and coming 14 bolt(Detroited),10 bolt,39.5 Boggers rear, TSLs front, 468 BBC, 350 trans, 205 transfer Rust free in Michigan!