Ground up bathroom build on (composite board) deck. I want an industrial look/not using tile. Some leakage is OK as it will be going through deck onto soil but would like to avoid mold. If I can keep the wonderboard raw could I/should I seal it? Or a coat of diy venetian plaster? What to seal exposed seams with?

  • A few pictures would be helpful. – JACK Sep 18 at 20:57
  • Are you going for an Eastern Bloc industrial look, or a super super cheap shower? – Valkor Sep 18 at 23:37

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