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Thread: Single-hung vs. double-hung windows?

  1. #1
    Jan 2005
    Carlsbad, CA

    Single-hung vs. double-hung windows?

    Whats the difference between single and double hung windows? From my understanding, the difference is that the top window on the double hung is able to move up and down or pop out. Whereas the top window on the single-hung window does not move. Only the bottom one slides up and down. Could somebody verify this for me? Thanks.

  2. #2
    Cyburbian Bubba's avatar
    Aug 2005
    Above urban19's plane field
    That's pretty much it. A double-hung window has two vertically sliding sashes, each designed to close a different half of the window. Single-hung windows are similar in operation to double-hung windows, with the exception that only the bottom sash opens.

    I'll send you a bill for my services.
    I found you a new motto from a sign hanging on their wall…"Drink coffee: do stupid things faster and with more energy"

  3. #3
    Cyburbian Queen B's avatar
    Mar 2003
    "Somewhere in the middle"
    So does a double hung change to a single hung when you paint the top shut???

  4. #4
    Mod Gedunker's avatar
    Aug 2003
    The Wonderland Way
    bubba is absolutely right. Queen B is too, at least for those that don't know how to paint window sash, which is why they make "window zippers".

    But, more so, there's a green lesson in this: before air conditioning, the top sash was used, in conjunction with tall ceilings, as a means to cool a building. By lowering the top sash and raising the bottom sash, natural circulation could be used so that heated air could be exhausted from a room and thereby help keep the rooms cooler (or at least less hot). That's part of the reason why you see such tall windows in historic New Orleans homes, for example.

    You may see windows abbreviated as 1/1, or 2/2 or 12/12. This means one light (or piece of glass) over one, and they are called one-over-one, twelve-over-twelve, et cet.

  5. #5

    dbl vs single hung

    What does it mean when they say that the single hung have tilting bottom sashes?
    and why?

  6. #6
    Cyburbian Veloise's avatar
    May 2004
    Grand Rapids, Michigan (Detroit ex-pat since 2004)
    A tilting bottom sash is a modern construct. There are two small catches that allow the window panel to tilt in, for easy cleaning. Otherwise you'd need very narrow hands, or a special wand that fits between the two window sashes, or a ladder if it's outside on the second floor.

    (These features are not related to planning.)

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