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    1. secret_sauceee on

      Interesting. Sounds like it’d burn up pretty quickly though. And cockroaches and other beetles like to eat cardboard.

    2. Salute-Major-Echidna on

      People used to insulate modest homes (tar paper shacks etc) with paper, cardboard, fabric and the like, any found items really. Mold is a real problem though. Unless they can seal it perfectly, it seems like a problem