A good way to understand sash windows is to understand a window sash. A window could be compared to a door. The door structure has a casement, and a door that is set on hinges within it. A window structure has a casement as well, but because it is made of glass and obviously more fragile, the pane or panes of glass must be held within a frame, called a sash. Whether it has hinges or slides within the casement is what decides what the style is.
There are three basic kinds of hinged window. Casement windows are hinged on one side and usually crank outwards. They are most commonly called crank-outs for this reason. Those hinged at the top, swinging outwardly, are called awning windows. Hoppers are hinged at the bottom and open inwardly. This kind is often used in basements.
Louvered windows are a style not often seen in northern regions but more often in tropical climates. Many horizontally overlapping lengths of glass panes are mounted horizontally. The air circulation is good when they are swiveled open, but they cannot give the protection from harsh winter conditions needed in northern areas.
Understanding the different styles of windows can help a person looking to purchase new windows. The term sash window is used to refer to double hung windows. Double hung means two window sashes hung within the same frame so that one or both slide vertically.
When the upper window of a double hung is fixed, it is sometimes referred to as a single hung. This term is technically incorrect, and is simply descriptive of how many windows are moveable, not how many windows are hung within the frame.
When a window has two sashes that slide vertically on a track, it is called a slider. The sashes overlap and slide past one another.
When people mention sash windows they are talking about double hung windows. The original ones windows were made with a system of pulleys, weights and cords. This weight system was called a sash balance and balanced the open sash so it would stay in place. Without this balance, things like wood slats and wooden spoons were sometimes used to prop the window open. Double hung windows today are made with a spring loaded method.
More than just a nice view, new windows add to the function of the home. When an old double hung window is removed, there is an empty space within the wall. This space can be filled with foam insulation before putting the new window in place. This provides the home with a noise barrier and a much more energy efficient wall and window area. Another helpful option with sash windows is a tilt out style in which the sash can be washed or painted on both sides by tilting or removing the individual sash.
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Campbell, Archie "Understanding Window Structure When Shopping For Sash Windows." Understanding Window Structure When Shopping For Sash Windows. 23 Jun. 2010. uberarticles.com. 30 Sep 2014 <http://uberarticles.com/home-and-family/understanding-window-structure-when-shopping-for-sash-windows/>.
APA Style Citation:
Campbell, A (2010, June 23). Understanding Window Structure When Shopping For Sash Windows. Retrieved September 30, 2014, from http://uberarticles.com/home-and-family/understanding-window-structure-when-shopping-for-sash-windows/
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Campbell, Archie "Understanding Window Structure When Shopping For Sash Windows" uberarticles.com. http://uberarticles.com/home-and-family/understanding-window-structure-when-shopping-for-sash-windows/
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