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Mark,Thanks for the suggestions. I plan to have most of the layout elevated.....the lowest point will be about 2 ft. from the ground. Stepping on the track should not be a major problem.There are some very sturdy industrial two part epoxy paints available that I plan to test. Some of these finishes I have experience with as we applied them to the insides of mild steel storage tanks and the concrete floors in our wineries. They held up very well under the barrage of heavy pumps that were being constantly rolled over them.The key to a durable long lasting finish on metal is to make sure that the surface to be painted is either sandblasted or chemically etched. For my test, I plan to soak several sections of the track in Jasco Metal Etch, and, then when dry, spray them with one of these industrial epoxy finishes. Finally, before installing the test sections, I plan to coat the inside of the rails with linseed oil to inhibit rusting from the inside. As I said in a previous post, this method is used to prevent the 4130 steel tubes that are used in older aircraft from rusting on the inside.Junnie
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