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  1. #1
    Join Date
    Jun 2004
    Posts
    7
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    I have a question about high relative humidity. Will indoor high humidity effect the fiberglass insulation in exterior walls enough to dramatically increase heating costs in winter?

  2. #2
    Join Date
    Apr 2002
    Posts
    1,471
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    no

  3. #3
    Join Date
    Apr 2004
    Posts
    287
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    nope.

  4. #4
    Join Date
    Jul 2001
    Location
    Central MN and the Twin Cities
    Posts
    1,530
    Post Likes
    Not a chance!
    Warning: Just because I am over the head injury doesn't mean I'm normal!

    The day I stop learning.... I'm dead!

  5. #5
    Join Date
    Feb 2003
    Location
    Huntsville,AL
    Posts
    4,125
    Post Likes
    it depends upon the climite where you live, and the placement of the vapor barrier (if installed). suggest you read info @ BUILDINGSCIENCE.com.

  6. #6
    Join Date
    Aug 2003
    Posts
    626
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    It won't effect heating costs to any degree, but it might produce mold!

  7. #7
    Join Date
    Jun 2004
    Posts
    7
    Post Likes
    Thanks to all for your knowledge......

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