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Thread: Sill plate location ... in or out?

  1. #1
    I&C Engineer (mostly WWTP) Lakee911's Avatar
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    Default Sill plate location ... in or out?

    Do I set my sill plate on my foundation out the thickness of the sheathing so that it's flush with the outside of the sheathing or do I set it back so that it's flush with the framing?

    Any advantage in putting down a sill sealer if I'm not insulating or heating the building?

    Thanks,
    Jason

  2. #2
    Moderator & Master Plumber hj's Avatar
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    Default sill plate

    Usually you put it even with the framing and then use a "J" metal or similar to set the siding onto.

  3. #3
    I&C Engineer (mostly WWTP) Lakee911's Avatar
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    Flush with the framing it is. Thx

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    DIY Senior Member jch's Avatar
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    Quote Originally Posted by Lakee911 View Post
    Any advantage in putting down a sill sealer if I'm not insulating or heating the building?
    Yes, it will act as a moisture barrier between the porous concrete foundation and your wooden sill plate. Building code (here, at least) specifies that untreated wood can never be in direct contact with masonry.

    ../j
    ----------
    - John

  5. #5
    I&C Engineer (mostly WWTP) Lakee911's Avatar
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    Thanks for info. My sill plate will be a pressure treated 2x6. Upon that I'll build a 2x4 wall. I think that I'll put down anyhow.

    This is in regard to the garage that I'm building. Check out progress here.

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