Replacement Window Basics
Window Diagram
1. The Head is the part of the window which lies across the top of the frame.
2. A window's Jamb refers to the multiple vertical segments that make up the sides of the frame itself.
3. The entire area where the window sash and door panels are located is called the Frame.
4. Glazing can refer either to a window's glass or the process of putting glass into the window.
5. A Pane is simply an individual unit of glass.
6. The frame that holds the panes of glass, when assembled as a unit is referred to as the Sash.
7. The Sill is the bottom part of the frame underneath the window.
8. The Muntin Bar is a bar that divides window glass.
Common Types of Windows
Awning
Awning windows open outward from the bottom. They are hinged towards the top anhd will also have lower levels of air leakage. They are essentially similar to casement windows, but turned on their side. |
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Bay Window
One type of window that is made up of three-plus smaller windows is a bay window. Generally, the center window will be paralell to the wall it protrudes from, while the outsides of the other windows will be tilted towards the wall. A bay window's constituent windows can be of any type. |
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| A Bow Window is usually made of at least four windws that are arranged in a half-circle configuration, radiating from the wall of a building. |
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Casement
This type of window has hinged sides and will have a lower incidence of leakage. This is because the frame and the sash will press together closely and create a better seal. Windows like this will open outward and give a greater area for ventilation than sliding windows. |
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Fixed Frame
This type of window does not open or offer much ventilation, if at all. |
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Single-Hung/Double Hung windows having sashes that move up and down. Among single-hung windows, only the bottum sash will move upward. You can create a ventilation area in a window of this type as large as half of the total glass area, and screens are easily installed. |
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Skylights are placed in roofs and have the same angle as the roof they are on. They are usually positioned to receive as much sunlight as possible, which can bring more heat and light into your home. Realize that in the northern hemishphere, more sunlight comes from the north in the winter and the south in the summer. |
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A Slider or sliding window open with horizontally moving sashes. Double-sliding windows will move both ways, while in a single-sliding window, only one will. The ventilation from these windows are regulated by the space opened by the sashes.
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