foamboard is really neat stuff.
worst case, 2layers. walmart FB is thicker/denser than DTFB. SO FAR seems mostly VOC proof in light applications. the stuff I make my toy planes from is gas and fuel resistant.. minwax polyurethane makes it everything resistant
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casual notes from the underground:There are some "experts" out there that in reality don't have a clue as to what they are doing.
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