I have been doing some thinking. At times this is dangerous. Let me know what the group feels about this idea. I am restoring my 1956 Dodge Custom Royal. The trunk floor and passenger floor were replaced. I had the body sand blasted clean of rust. I want to do two things. One is to recover some body strength lost due to surface rust and some small pin holes and two is to prevent further rusting. After priming with Variprime (high Zinc etching primer), I think a coating inside floor and under body with Urethane bed liner is a good idea. This material has a high tensile strength, is not brittle and bonds well to primed surface. Rocks will not have a chance to knock it off. If you thin the material 10% to 15% it will go on fairly smooth and build to about 80 mils in two coats. This is not factory original, but I think this will be a most durable, water proof, sound deadening approach. What do you folks think?
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