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  1. Window Mullions vs. Window Muntins: Differences - The Spruce

    Aug 28, 2025 · Muntins are the vertical wooden dividers that separate individual glass panes within a larger window assembly, creating a classic look. In contrast, mullions are the vertical …

  2. Muntin - Wikipedia

    Muntins can be found in doors, windows, and furniture, typically in Western styles of architecture. Muntins divide a single window sash or casement into a grid system of small panes of glass, …

  3. Muntin vs. Mullion: What’s the Difference? - H2ouse.org

    Apr 10, 2020 · Muntins are the very narrow strips of wood that divide up the individual panes within a sash (sometimes referred to as lights or lites). However, not all windows with …

  4. Muntins for Windows: The What and the Why - Modernize

    Dec 16, 2025 · Muntins can be added to an existing window or included as part of a window replacement. If you are not getting a new window right now, search for a window muntin kit …

  5. What Is a Muntin? Understanding Window Dividers and Their …

    Jul 23, 2025 · A muntin. or muntin bar, is a narrow strip of wood, metal, or plastic that divides individual panes of glass within a single window sash. Traditionally used in multi-pane …

  6. What Is a Muntin Anyway? A Deep Dive into Window Anatomy

    Sep 18, 2025 · Learn what muntins are, why they matter in historic window restoration and preservation, and how they impact the look and integrity of your old windows. Explore their …

  7. Window Muntins: What They Are and Why They Matter - Brennan

    Oct 6, 2020 · Muntins were the frames used to separate and hold smaller panes of glass together to make much larger ones. These now decorative items arose out of necessity. At the time, it …

  8. MUNTIN Definition & Meaning - Merriam-Webster

    The meaning of MUNTIN is a strip separating panes of glass in a sash.

  9. Everything You Ned to Know About Window Muntins

    Mar 14, 2025 · Even though most modern windows feature single panes of glass today, window muntins are still possible because of their classic appeal. You can find muntins in many …

  10. Muntins 101: What You Should Know - Renewal by Andersen of …

    Jul 14, 2025 · Muntins are the narrow strips of material that divide window glass into smaller panes, creating distinctive patterns and visual interest. These architectural features have …