Roxul board used in basement as insulation against concrete wall?
I just watched a mike Holmes episode. He was building out a basement for bar, home theater, gym, etc. against all the walls he used roxul board as an insulation barrier then the walls were framed. I’ve read where Martin Holliday advised against this practice. Who’s right? It makes more sense to use foam or foam board as it won’t hold water. Thanks for any clarification on this topic.
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