Single, Double, and Triple-Hung Sash Windows
In single-hung windows, only the bottom sash moves. In double-hung windows, which evolved from the single-hung sash, both the top and bottom sash are moveable. In triple-hung windows, each sash may move or the center may be fixed.
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Two-over-two. Each sash has two panes of glass. These windows became popular as glass making technology improved over the years, making individual pieces of glass larger in size and much more affordable.
Six-over-six. Multi-light windows are named according to how many panes of glass are in each sash. Other common arrangements you might find in your neighborhood are nine-over-twelve and nine-over-six.
One-over-one. In this instance, each sash has just one pane of glass. The window in this example has arched upper sash. One-over-one windows became increasingly common after the last quarter of the nineteenth century.
Six-over-six, triple-hung sash. This unique design offers amazing light and good floor-to-ceiling ventilation. Also, this particular example features a decorative stained glass motif in the upper sash.
Do you love your older and historic windows? Share that love with the world by uploading pictures to our special photo group on Flickr.
