Browse Forums General Discussion What is the difference between Mullions and Column? 2Feb 12, 2020 7:26 pm ![]() I thought mullions is a structural frame with vertical and horizontal beams attached together, and a column is just a single vertical supporting beam? Mullion only relates to windows or screens. A column is structural. Hi Hive, driveway style question: Once we’re driving along the suburb we’re building and noticed a beautiful dark bluish driveway with white freckles. Really looked… 0 523 17 2821 |