operable sash

An **operable sash** refers to a movable window frame that can be opened or closed to allow ventilation and natural light. Commonly used in sash windows, an operable sash typically slides vertically or horizontally within the window frame. It provides functionality and ease of use while maintaining the aesthetic appeal of traditional or modern window designs. This feature is ideal for enhancing airflow, improving indoor air quality, and offering flexible control over your living or working space.