French patio doors are also known as hinged patio doors or swinging patio doors.
French doors or sliders.
French patio doors are mostly made of glass and look similar to windows.
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.
They consist of two doors that open from the center.
For a multiple pane look choose from a variety of grid options available to create the look of individual lites.
They are unique in that you can open them inwardly or outwardly.
Traditional sliding glass doors have two panels with one that slides along rollers to cover the other.
Because sliding doors and french doors operate.
French doors and sliding doors have different hardware.
Also as winds blows against a french door it tends to bow thus causing additional air leakage.
French doors have a wider door frame.
A sliding glass door frame is typically narrower than a french patio door.
Milgard french sliding doors combine space saving convenience with the elegance of a french patio door.
French patio doors are typically found in more traditional home styles due to their historical place in home design.
Sliding doors overlap which is a more efficient design and creates a tighter seal where as french doors come together with no overlap and an increased chance for air infiltration.