SweatDecks Blog

Welcome to the SweatDecks wellness journal. Our team of credentialed experts -- including sports medicine physicians, exercise scientists, and master builders -- covers everything from cold plunge protocols and sauna health benefits to installation guides and product comparisons. Whether you're researching your first home sauna or optimizing a contrast therapy routine, you'll find science-backed answers here.

Unfinished sauna wall framing with clear polyethylene vapor barrier stapled to studs
  • by SweatDecks

Vapor barrier placement inside vs outside sauna walls: where it actually goes

Put the vapor barrier on the wrong side of your sauna wall and you'll rot the framing in a few years. Here's exactly where it goes and why, with citations.

Read: Vapor barrier placement inside vs outside sauna walls: where it actually goes