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  1. #1
    Join Date
    Sep 2007
    Location
    Fredericksburg, VA
    Posts
    895

    Default Insulation in Garage & Interior Wall

    First time I seen this. Fiberglass batt insulation with vapor barrier in wall between garage and house. The installer put some of the insulation with the vapor barrier on the garage wall (unheated) side and some on the interior (heated) wall side. The picture with one side of the garage access door is marked 'A'. The inside of the wall is a closet an enclosed void area in the corner of the closet. The side of the garage access door marked 'B' has the laundry room on the interior side of the wall. Is there a practical reason for having the vapor barrier in the garage side of the wall in these areas?

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    The above statements are expressed solely as my opinion and in all probability will conflict with someone else's.
    Stu, Fredericksburg VA

  2. #2
    Join Date
    Mar 2007
    Location
    Fletcher, NC
    Posts
    28,032

    Default Re: Insulation in Garage & Interior Wall

    Quote Originally Posted by Stuart Brooks View Post
    Is there a practical reason for having the vapor barrier in the garage side of the wall in these areas?
    Nope.

    Looks like they just did not understand how insulation is to be installed.

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

  3. #3
    Join Date
    May 2009
    Location
    Washington State
    Posts
    376

    Default Re: Insulation in Garage & Interior Wall

    I ran into this one yesterday, apparently they figured the exterior wall didn't need insulation if it was hidden by the jacuzzi tub enclosure - or is this something was was permitted in 2001? That loose batting in the foreground was just laid in ther over the pump.

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  4. #4
    Join Date
    Mar 2007
    Location
    Fletcher, NC
    Posts
    28,032

    Default Re: Insulation in Garage & Interior Wall

    Not allowed, but frequently missed by the insulation company and the inspectors.

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

  5. #5
    Join Date
    May 2009
    Location
    Washington State
    Posts
    376

    Default Re: Insulation in Garage & Interior Wall

    Quote Originally Posted by Jerry Peck View Post
    Not allowed, but frequently missed by the insulation company and the inspectors.
    Thanks Jerry - Merry Christmas to You.


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