You should add 2 1 2 to the height of the actual door.
Rough opening for interior french doors.
So if each door measures 30 inches wide the width of the rough opening should be 62 inches.
Of frame is 40 x 86 as the frame face is 2 around all 3 sides.
The suggested rough opening is 74 in.
Timely prefinished interior steel frame.
Rustic knotty alder 2 panel sq top vg both active solid core wood double prehung interior french door model phid ka 305v 60 68 138 aa 889 00.
Whether you re buying a pre hung french door or constructing the frame from scratch accurate measurements of the rough opening are essential for a proper fit.
This is the hole in the wall where the door fits.
It s important to realize the first thing to get right as you begin to tackle your double interior french doors is the rough opening.
To correctly determine the size of a rough opening for double or french doors measure the size of each door.
This unit comes with a 4 9 16 in.
This will give you room to space the door frame off of the sub floor.
Krosswood doors 60 in.
Use a circular saw combined with a carpenter s square or a reciprocating saw if space is tight.
The rough opening would be 40 1 2 x 86 1 4.
Krosswood doors 72 in.
Ideally the rough opening should be.
A typical header can be a four by eight or four by ten inch beam for two by four walls.
Now all you need to know is how to properly frame your door rough opening.
Stile and rail constructed french door slabs prehung on 4 9 16 in.
B opening height 2 1 4.
For a 3 0 x 7 0 door frame.
Just add 2 to the width of the actual door size.
So if you have a bedroom door that is 30 wide which is considered a 2 6 or 2 6 door just add 2 to the width and frame it 32 wide.
The length of this opening has to be 54 1 4 inches the distance that you calculated in step 1.
I prefer to have my rough openings at least one half inch wider than the overall unit size of the door.
The horizontal support that spans the rough opening at the top of the door is called the header.
A opening width 4 1 2.
Door size is 72 in.
To get the total width multiply the width of each door by 2 and add 2 inches.
Framing rough opening sizes are really quite simple.
Unit dimension is 73 5 in.