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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.

There are several different kinds of sash window. Sometimes the panels of glass slide up and down or side-to-side. Other sash windows have panels that open outward. The sliding sash windows sometimes are referred to as sliding sash, case, sash or Yorkshire light windows.

American-style traditional sash windows are another kind of sash window; they have two sashes with one placed over the other one inside a frame. This type of window is opened and closed by sliding up and down. One of the benefits of this window is the ability to remove or tilt the sashes in order to clean them. There are many different configurations, models and shapes to choose from within this class of sash window.

Sash windows were first put up in England in the late 17th century. “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.

Sash windows are frequently installed in Victorian and Georgian homes. These houses usually feature a classic six-panel sash window with two sashes, each featuring three panels above and below. This is often referred to as a six-over-six panel window. 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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A sash window is more likely to need some routine maintenance than a fixed window due to the fact that the panels slide each time the window is opened and closed. 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 fact that sash windows open at both 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.

Like anything else, don’t choose the first windows company that you happen to 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.

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