I keep getting mold and rust on my trailer. I was considering giving it a coating of truck bed liner, at least on the underside to protect it and keep it looking clean instead of letting it become a rusty, moldy, crappy looking trailer. I like to keep a clean, neat appearance on my equipment. Has anyone done this before? I know it'll be a lot of work. I was thinking it might be easier to flip the trailer upside down to do it, but I am not sure what would be the best way to accomplish that, or if I even should flip it at all. Has anyone done this or anything else to protect the trailer?