What is a French door?

A French door, also called a French window, is a door that has multiple windows ("lights") set into it, the full length of the door. Traditional French doors are assembled from individual small pieces of glass and mullions. These doors are also known as true divided lite[sic] French doors. French doors made of double-pane glass (on exterior doors for insulation reasons) may have a decorative grille embedded between the panes, or may also be true divided lite French doors. The decorative grille may also be superimposed on top of single pane of glass in the door. These are popular and beautiful replacement doors in Agoura Hills and Camarillo California.  more

Many people think that a French door is a double door unit when actually a French door is a door with glass extending its full length in either one or several panels. French doors can be prehung as a single or double door unit, or combined with the proper track and hardware, utilized as bifold, bypass, or pocket doors.  more

A French door, which is also sometimes referred to as a French window, is a door made up of panes or panels of glass. Wooden frames or partitions separate each pane. Glass panes are generally rectangular in shape and make up the majority of the surface of the French door. A French door is typically used as a style element. It is frequently used as a way to bring more natural light into a home, or as a way to divide rooms and set them apart while still maintaining an open feel to the overall space. While a French door can be functional, it is typically used more for aesthetic purposes, to create a dramatic effect. For example, a great use of the French door is to make indoor and outdoor living spaces feel connected. A French door opening from the kitchen onto the patio area ties the two spaces together. A pair of French doors opening onto the balcony from the master bedroom brings the outdoors inside. Because a French door is so versatile, it may be a repeating theme in a home. A pair, ...  more

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 ...  more

A French door consists of panes of glass separated by vertical and horizontal framing members. It opens and closes in the same fashion as other doors, swinging in a vertical plane.  more