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For those of you who don’t know about it, a sash window is a kind of window comprised of movable sashes or panels. One way to identify a sash window is that there is a frame holding together multiple glass panes. Quite often narrow muntins separate the panes.
A few kinds of sash windows exist. Some of these have horizontally or vertically sliding panels, while others are simply opened toward the outside. The sliding sash windows sometimes are referred to as sliding sash, case, sash or Yorkshire light windows.
The traditional sash windows found most commonly in the US and UK are made of two sashes that are positioned in a frame with one over the other. This type of window is opened and closed by sliding up and down. This makes these sash windows easy to clean because the individual sashes can tilt in or come out altogether. There are many different configurations, models and shapes to choose from within this class of sash window.
The origin of the sash window dates back to the 1670s when they were first installed in England. “Ham House” is a famous example of a property with sash windows. Robert Hooke is credited with creating the sash window, although there isn’t any conclusive evidence that proves this.
Victorian and Georgian houses often feature sash windows. The six-over-six panel window is the classic sash window and comprises two panes up and three across. The standard size of sash windows is four feet wide; however, wooden sash can fit almost any size and there is no fixed rule.
In order for sash windows to function, there is panel that is balanced through using a counter-weight made of heavy steel or another material hidden within the window frame.
Usually sash windows are made out of single glazed glass and soft wood, although sometimes double glazed glass is used.
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Due to the fact that a sliding motion is required in order to open and close sash windows, they can be more vulnerable to problems than other windows. They require a lot of maintenance as well; however, the extra work involved is worth it since sash windows are very attractive.
In addition to the aesthetic appeal of sash windows, they are also more efficient in cooling the inside of a building during warm weather than other kinds of windows. The reason for this is that sash windows open at the bottom and top. The room’s warm air is allowed to escape through the top opening, while cool air coming from outdoors is allowed in through the bottom opening.
A new kind of sash window was released recently into the marketplace. They are called uPVC sash windows, and they are attractive like regular sash windows are but are much more energy efficient and don’t require as much as maintenance and painting on a regular basis.
As is the case with anything, it is important to not go ahead and hire the first window company you find. Make sure to get work samples and quotes from thee different companies at least before you make your final decision on which company you want to have install your new windows.