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[quote]QUOTE: Originally posted by orsonroy [quote]QUOTE: Originally posted by mktrains Watch out for silicone. Subsequent glue (e.g., for ballast) and paint won't stick to it. Latex is more friendly for other things on top of that. [/quote] Wrong. I've got 100 feet of track laid on my second level, using nothing but silicone caulk. My ballast is holding to it just fine. Of course, I let the silicone offgass for well over a month before I actually added ballast. [/quote] You must have used silicone with latex mixed in. Pure silicone like the GE stuff at Home Depot will shed anything stuck on top of it, paint, glue, etc., even if you waited months. I can't get normal glue to stick to silicone (GE stuff at HD). It's a fact that hardly anything sticks to pure silicone.
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