With a single operating panel the french door is less expensive and much easier to fit a sliding screen if yours came without one.
French door but only one side opens.
The other panel looks like it opens but its actually fixed in position.
French doors ease of access makes up for the amount of space they need to open.
Right now it has a double door but only one side opens.
Triple or quad doors are a combination of 3 or 4 doors usually made.
However if you have a fixed and an active then most likely a double wont fit.
The center hinge door will provide the look of a french door but hinge in the center allowing the opening to be on the right or left side rather than the center.
French doors typically use weather stripping at the floor level where the doors meet to prevent water ingress.
Hinge is between the panels.
Mar 3 2017 patio door similiar to french door but only one side opens and the other is stationary.
The exact thing you want is french doors double active left or right hand main inswing.
Center hinge doors are used where you have the wall space for a french or patio door but only want one side to open.
Most exterior french patio doors come with two panels but in some models only one panel is an operating door.
Because of our cool coastal enviroment we rarely open doors except to enter exit and the price delta is about 800.
A french door consists of a frame around one or more transparent panels installed in either matching pairs or a series.
It will look like a typical french patio door w two 3 doors but no handle hinges on fixed side panel.
The other side looks like a door but is completely fixed.