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  1. Window Mullions vs. Window Muntins: Differences

    Mar 25, 2024 · For the most straightforward explanation, muntins are the vertical pieces of wood separating panes of glass in a classic multi-pane glass assembly. Meanwhile, mullions are the single vertical supports used in two-pane …

  2. What Are Window Mullions? - Thermal King Windows

  3. Window Part Terminology - WOODWEB

    Mullion: A member that joins wall openings such as doors, windows or cased openings (i.e. the vertical casing that bridges the jambs of two windows set close together is a "casing mullion").

  4. Parts of a Window: Piece by Piece Identification Guide

  5. Understanding Mullions on Windows: A Quick Guide

    Mullions are an integral part of window design and structure, playing a critical role in both aesthetics and functionality. This section delves into what mullions are and why they are important in window construction and design.

  6. What is a Mullion on a Window? The Complete Expert Guide

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  8. Mullion, Muntin, Stile and Jamb + Other Key Parts of a …

    Nov 14, 2013 · What are the parts of a window? MULLION: a strip of wood or metal within, but not at either end, holding the panes of glass in a window. This term is synonymous with MUNTIN. The vertical piece on either end is called …

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

    Apr 10, 2020 · Understanding what sets them apart is key. A mullion is a heavy vertical or horizontal piece that adjoins two windows together. In other words, it acts as the sort of frame of the window. It has nothing to do with the interior …

  10. What Are the Different Parts of a Window? - Windows …

    Apr 30, 2021 · If a window has two or more panes arranged horizontally, then the vertical part of the window frame that separates them is called a ‘mullion’. We hope this guide has helped you understand the different parts that make up a …

  11. What part of a window is a mullion? - Liquid Image