A sash window or hung sash window is made of one or more movable panels, or "sashes". [A] The individual sashes are traditionally paned windows, but can now contain an individual sheet (or sheets, in the case of double glazing) of glass.

A window sash is a part of the window that surrounds the glass and holds the glass in place in the window frame. Some window sashes are moveable, enabling the glass to slide up and down on the track where it is positioned.

Aug 30, 2023 · Put very simply, the sash is the part of the window that moves and holds the glass panes together. The sash of a window slides open vertically or horizontally in a double-hung window. In casement windows, it opens vertically or horizontally with a crank mechanism.

Mar 21, 2025 · A window sash is a crucial component of any standard window, playing a key role in its functionality, appearance, and stability. Proper maintenance and regular inspection of window sashes are essential to preserving their condition and ensuring long-term performance. Understanding their purpose and how to care for them can help extend the life ...

Sep 12, 2022 · What Is a Window Sash? A window sash is the part of the window that you move up and down when you want to open and close the window. Two sheets of glass comprise a double-paned window. Sometimes this is called glazing, as in double-glazed window or triple glazed window.

Apr 10, 2025 · Window sash replacement is an accessible project which most homeowners can safely complete, especially for first-floor window sash replacements on more modern windows. Many DIYers with the right tools should feel secure in trying to complete this relatively simple home renovation.

Feb 29, 2024 · What is a window sash? A window sash is an essential component of a window that is often unnoticed yet plays a critical role in both the function and aesthetics of the window. It is the part where the glass panes are mounted, surrounded by a frame that can either be stationary or movable.

Nov 20, 2023 · The window sash is the piece of interior framing that holds the glass and, on windows that open, is used to push the window up or down. Located just inside the window frame, usually on tracks, this piece is important to both the appearance and …

Mar 12, 2021 · What is a sash window? Sash windows are comprised of two timber ‘sashes’ – the frames holding the glass – which slide open and closed in grooves. They usually slide vertically, hung on cords or chains and counterbalanced by metal weights housed in a box frame.

Mar 8, 2024 · In this comprehensive guide, we’ll explore the definition of a window sash, the different types available, the materials used, how to maintain and repair them, and when to consider window sash replacement.