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Thread: Sill Plate

  1. #1
    Heron Longoria Jr.'s Avatar
    Heron Longoria Jr. Guest

    Default Sill Plate

    Anybody out there know if you can use plywood strips as your bottom plate in wall construction?

    I say no, the IRC says it must be a nominal 2 by member equal to the same size of studs it supports... to me the intent is a 2 x 4 stud should be used as sill for a 2 x 4 wall.

    Heron Longoria Jr. Building Inspector III
    City of McAllen

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  2. #2
    chris mcintyre's Avatar
    chris mcintyre Guest

    Default Re: Sill Plate

    Quote Originally Posted by Heron Longoria Jr. View Post
    Anybody out there know if you can use plywood strips as your bottom plate in wall construction?
    Yes, well OSB, if it designed for that use. We used a segmented OSB plate for curved walls, it was 1 1/2" thick, I think it was an I-Level product.


  3. #3
    Join Date
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    Default Re: Sill Plate

    Quote Originally Posted by Heron Longoria Jr. View Post
    Anybody out there know if you can use plywood strips as your bottom plate in wall construction?

    Heron Longoria Jr. Building Inspector III
    City of McAllen

    Heron,

    Welcome aboard.

    The answer to your question - using plywood - is no.

    Plywood is not designed or intended for compressive loading like that.

    Jerry Peck
    Construction/Litigation/Code Consultant - Retired
    www.AskCodeMan.com

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