In order to understand the origins of the sash window one must know what it is exactly and how it’s used as well as how it differs from other types of windows. Another common name for it is the hung sash. A glazed panel is another name for the word sash.
Depending on the way it slides open, it could be called by another name. Typically it will open vertically. If it happens to be the type that slides open horizontally, it could be called Yorkshire style.
The weight of it needs to be balanced. There can be a heavy iron, lead, or steel weight placed inside the frame. A sash weight can also be applied to balance the weight of the panes. Without this balance, the window will not slide open.
The usual number of panes in each frame is nine. There are three rows of three, or sometimes six panes total which are two rows of three. This can vary greatly depending on the style of the home. A type of rope or chain is used to open it by attaching it to the frame and to the top of the panes.
Victorian and Georgian style homes are where one will see an abundance of this type of window. The first one that is known to have been installed was made in 1670. A well known inventor and man of science by the name of Robert Hooke is said to be the inventor of this style.
The material used is typically a soft wood, which is flexible enough to mold the slats and frame. The wood is usually single glazed but can be double glazed as well. An average of four feet is a standard width for this type, but can vary just like the number of panes to suit the needs and style of the person’s home.
Knowing the origins of the sash window and how it functions can help one understand it’s advantages and also it’s disadvantages. By efficiently cooling rooms, money can be saved on power bills. The dual openings allow hot air to escape the top, and cool air to enter the bottom. They are very easy to clean as well, and both sides can be washed without leaving the room. The dual sliding panes make it easy to wipe the outside as well as the inside. There are a couple drawbacks however. The natural soft wood is known to rot easily, which often results in rattling panes. Air can seep in as well once the wood is warped. Most builders find them to be hard to maintain, but with a little know how, they can be cared for and look great on any home.
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