Feb 26, 2018 · On a pair of doors a mullion can separate the two doors from each other. Mullions between a pair of doors adds security and, if it is removable, allows large material or equipment to pass through the opening. The doors can also more …

Aug 26, 2021 · A fixed mullion between two door leaves is used to separate a pair of doors into a bank, allowing for single door performance in double door openings. The fixed mullion is welded to the frame head, meaning it cannot be removed.

Oct 29, 2024 · Mullions are doorframe parts that separate and support the different sections of a door. In addition to adding structure, these parts can also be decorative and provide security. There are four mullion types: fixed, removable, glass, and reinforced.

Dec 25, 2024 · A mullion is a structural element that divides a large window or door opening into smaller sections, known as lights. Mullions are commonly used in window systems to support the weight of glass panes and to provide aesthetic definition to large openings.

When two individual windows or a door and window are joined, the seam between the frames of the two units is called the mull, which is short for mullion. In this case, a door jamb has been joined to a window/sidelight jamb.

Mar 11, 2019 · A mullion can separate two pieces of glass, two door panels, or separate a door and a piece of glass. When a mullion is used to separate two doors in a pair of doors, this mullion can be fixed or removable.

Free shipping on Von Duprin 4954 removabale steel mullions used to adapt a double door into two single doors. Compatiable with all Von Duprin rim devices.

Shop Door Mullions for commercial doors at Qualitydoor.com. Door mullions are set in double door openings to allow both door leaves to be active.