Transom -

: Operable transoms can be opened to let air circulate while keeping the main door closed and secure . Common Styles

: The standard and most common traditional shape . transom

: Strengthens the wall framework above a large opening . : Operable transoms can be opened to let

In construction and architecture, a transom is the that separates a door from a window directly above it . The window sitting above this beam is officially called a "transom light" or "transom window" . Key Functions making them challenging to loft

: Allows sunlight to penetrate deeper into a room or hallway .

Transoms often have curved shapes and skewed orientations, making them challenging to loft, construct, and install. YouTube·Neophyte Boatwrights Guide to Transom Windows: How to Install ... - MasterClass