....and also I don't mean to scare-monger. Many waterproofs are simple PU (polyurethane) membranes or coatings, or sometimes PA (polyacrylate). Good old plastic!
@Chopsicle started
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....and also I don't mean to scare-monger. Many waterproofs are simple PU (polyurethane) membranes or coatings, or sometimes PA (polyacrylate). Good old plastic!