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A window is referred to as a sash window if it has one or more movable panels, which are called sashes. If there is a frame that holds a few panes of glass together, it is a sash window. Quite often narrow muntins separate the panes.
Sash windows come in many different varieties. Some sash windows have panels that open to the outside; others have panels that slide to open – either horizontally or vertically. The sliding sash windows sometimes are referred to as sliding sash, case, sash or Yorkshire light windows.
The typical American style sash window has a frame with a sash on top and one below. 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 sash window has a long history, originating in England in the mid-17th century. 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 usually feature sash windows. There are two panes up and three panes across in classic sash windows, providing homeowners with six-over-six panel windows. 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.
Due to the fact that sash windows need to be able to slide to close and open, they are prone to more problems than other kinds of windows. 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.