Sash
Definition and meaning of Sash in real estate.
A sash is the movable or fixed frame of a window that holds the glass panes in place. It is a critical structural component that allows windows to open, close, and seal properly against external weather elements.
In more detail
In double-hung windows, there are two sashes, an upper and a lower, that slide vertically past each other within the window frame. Single-hung windows feature a fixed top sash and a movable bottom sash, while casement windows have sashes that open outward on hinges. Window sashes can be made of wood, vinyl, aluminum, or fiberglass, each offering different levels of durability and thermal efficiency.
Over time, wood sashes can warp or rot, leading to drafts, stuck windows, or broken seals in double-pane glass. Replacing a damaged window sash is often a less expensive alternative to replacing the entire window frame and trim.
Key facts
| Category | Property Types & Construction |
|---|---|
| Common materials | Wood, vinyl, aluminum, fiberglass |
| Watch out for | Broken window seals and rot in wooden frames |
| Applies to | Double-hung, single-hung, and casement windows |
During a home showing, the buyer notices that the wooden sash of the living room window is rotted and swollen, making it impossible to slide open for ventilation.
Frequently asked questions
Can you replace just the window sash?
Yes, if the outer frame is still in good condition, you can buy a sash replacement kit, which is cheaper and easier than replacing the entire window assembly.
What is a double-hung window sash?
A double-hung window has two sashes (upper and lower) that slide up and down, allowing you to open the window from either the top or bottom for better airflow.