They consist of two doors that open from the center.
French doors or sliders.
For a multiple pane look choose from a variety of grid options available to create the look of individual lites.
Because sliding doors and french doors operate.
A french style sliding door has the appearance of traditional swing french doors with wider stiles and rails while functioning as a sliding glass door.
French patio doors are typically found in more traditional home styles due to their historical place in home design.
Traditional sliding glass doors have two panels with one that slides along rollers to cover the other.
French doors and sliding doors have different hardware.
French patio doors are also known as hinged patio doors or swinging patio doors.
A sliding glass door frame is typically narrower than a french patio door.
A classic model has two side by side panels that swing in or out from hinges on the sides of the frame.
French patio doors are mostly made of glass and look similar to windows.
French doors have a wider door frame.
Milgard french sliding doors combine space saving convenience with the elegance of a french patio door.
French patio doors can be considered a little more energy efficient as the central glass panels can be smaller by being set into wider frames whereas sliding doors are almost exclusively created from glazed panels.
Also as winds blows against a french door it tends to bow thus causing additional air leakage.