What is a French door?
French doors appear to have originated in France at the latter end of the Renaissance period of art and architecture, with a growth of popularity rising in France and Germany. A French door is also known as a French window, and refers to a door that has multiple windows set into it, the full length of the door.These windows are also known as “lites”, and are rather popular for allowing maximum light to enter and permeate a home. Traditionally, French doors are constructed with multiple individual sections of glass and mullions. Mullions are the dividing bars between window lites or panels. French Doors are also known as true divided lite French doors, or TDL. A true divided lite means that each pane (lite) of glass used in constructing your door is built in separately. This means that if you order a ten lite door it will be built with ten separate lites inserted independently into their own mullions. Some manufacturers use a single lite covering the entire length of the door and then a
