There are two chief ways of removing the window sash:
- For Older Wood Windows – Wood windows will usually have what is called a "stop." As the name implies, this thin vertical strip of wood stops the window sash from coming out. Score the edges of the stop with a utility knife, and then gently pry out the stop with a flat screwdriver or small prybar.
- For Newer Windows – Newer windows usually have a spring-based balance mechanism. These sashes are easy to remove. With one hand, depress the outermost flexible track, and with the other hand gently pull inward on the top of the sash. With half of the sash out, the other half will come out easily.
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