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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. If the window is made up of several individual lights or pieces of glass held together by a frame, then it is a sash window. Quite often narrow muntins separate the panes.
There are a few different types of sash windows. Some have panels opening to the outside, while others have panels that slide horizontally or vertically. 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. You can operate the window by sliding it down or up. 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 early house that had sash windows. Robert Hooke is credited with creating the sash window, although there isn’t any conclusive evidence that proves this.
Victorian- and Georgian-style homes often have 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.
Sash windows are prone to more issues than other window types due to their sliding-motion operation. They require a lot of maintenance as well; however, the extra work involved is worth it since sash windows are very attractive.
Besides being aesthetically pleasing, sash windows are more practical too. They work better in keeping the temperature inside cool during warmer months. This is due to the design of the sash window, since it can be opened at the bottom and at the top simultaneously. 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.
When you decide to give sash windows a try, be careful not to go with the first window installer 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.