Discover the difference between the bay, double hung, single hung, casement, picture, transom and egress windows.
Both bay and bow windows project out of the home, which offers the benefit of extra floor space. Bay windows best suit modern homes, while bow windows suit older homes.
Double Hung/Single Hung Window
The major difference between the two styles is how the window sections operate. With single hung windows, the lower sash moves up and down while the upper stash remains still. In double hung windows, both the upper and lower sash can be lowered and raised.
Casement Window (Awning & Hopper)
A casement window is attached to its frame by one or more hinges on the side of the unit. They are used singly or in pairs within a common frame, in which case they are hinged on the outside. Windows hinged at the top are referred to as awning windows, and ones hinged at the bottom are called hopper windows.
Picture windows are generally much larger than normal windows but do not open. They offer unobstructed views to the outdoors. They are not the ideal choice for rooms that require ventilation/an emergency exit.
Transom windows are located over the top of a window or door’s transom – the beam that separates the top of the window/door from the rest of the wall.
An egress window is a window large enough for entry or exit in case of an emergency. These are typically required when finishing a basement.
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