: Strengthens the wall framework above a large opening .
: Operable transoms can be opened to let air circulate while keeping the main door closed and secure . Common Styles transom
: The standard and most common traditional shape . : Strengthens the wall framework above a large opening
: Often holds swim platforms, ladders, or transom doors for easy boarding. Critical Boat Maintenance Tips Ep 14 - The Transom: Theory & Lofting transom