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House Air Sealing Strategies

Post in 'The Green Room' started by semipro, Aug 29, 2013.

  1. semipro

    semipro Minister of Fire

    Joined:
    Jan 12, 2009
    Messages:
    2,346
    Loc:
    SW Virginia
    We seem to have a lot of discussion on this topic here. I thought this article at the Green Building Advisor website would interest many here. I know it interests me. Cheers.
    http://tinyurl.com/oc3byps

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  2. begreen

    begreen Mooderator Staff Member

    Joined:
    Nov 18, 2005
    Messages:
    48,149
    Loc:
    South Puget Sound, WA
    I would somewhat disagree with the conclusion that sealing windows and doors is least effective. It depends on the size of the leak. An 1/8" gap on two sides of a door or large window can lead to considerable cold air infiltration.
  3. woodgeek

    woodgeek Minister of Fire

    Joined:
    Jan 27, 2008
    Messages:
    2,711
    Loc:
    SE PA
    The paper agrees with my own experience. Typical pre-2000 construction has several hundred to a thousand square inches of opening in the framing, that are not part of the windows and doors. If you have an obvious gap in a door or window, yeah, weatherstrip it, but mostly windows and doors get too much attention b/c of their visibility.

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