Does entire shower stud wall need to be pressure treated?

Discussion in 'Shower & Bathtub Forum & Blog' started by Mike Fresh, Dec 7, 2008.

  1. Mike Fresh

    Mike Fresh New Member

    Joined:
    Dec 7, 2008
    Location:
    Florida
    Hi all, I'm a long time visitor, first time poster. Awesome site.

    I'm re-doing my master bathroom shower. Does the entire shower stud wall need to be pressure treated (PT)?

    I know the bottom plate and studs against a concrete block wall should be PT, but what about regular studs against the inside of the house?

    Thanks, Mike
     
    Last edited: Dec 7, 2008
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    Well, no. In fact, if you put some plastic on the bottom of the studwall on the concrete, you don't need it there. You could use some seam-seal like they put on top of the concrete wall for the rim joist. PT wood is absolutely horrible in that is twists, shrinks, and bows when it dries out. Not at all the thing you want behind a shower wall where tile are involved. A properly done shower should never introduce moisture into the framing, so if you can keep it from being in contact with a potential wet slab, you should be fine. If you have a wet slab, you've got other problems...

    I'd check out the people at www.johnbridge.com for shower construction details.
     
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  4. jimbo

    jimbo Plumber

    Joined:
    Aug 31, 2004
    Location:
    San Diego
    You should not use pressure treated. If you get enough moisture in there to damage a stud,,,,then that is not your only problem. A shower needs to be water proof.
     
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