Diy Bed Liner Kit . It is a professional bed liner with the high solids, two component epoxy coating settings. Our economy 1 bed kit covers a 6 ft bed over the rails at an average of 63 mils one gallon of bedliner only covers 30 sq ft at the proper. The Best Ideas for Diy Bed Liner Kit Home, Family, Style and Art Ideas from goodfavorites.com You get more material than any other diy bed liner kit for the price, and no loss of mil height due to. Diy spray bed liner kit. Cans custom coat standard hardener, and 1.