Cover the nail heads with wood putty and sand them smooth.
How much of a gap between french doors.
So if the doors are 24 inches wide leave a 1 4 inch gap between doors and between each door and the jamb.
Turn the upper hinge adjustment screw to even out the gap.
The gap around all the doors and in between the two doors needs to be consistent and as equal as possible.
I ve installed many pre hung interior french doors with great success.
Gaps between a front door and a frame.
Place nails about every 5 inches.
Double interior french doors are hard to install because you have additional tolerances you must satisfy to make the install look professional.
Do this on both doors.
Nail it to one of the doors using small wood nails so that it overlaps the other door by about one half inch covering the gap.
Because one or both of the french doors are moving many traditional weatherstripping solutions just don t apply.
When calculating the width remember there are three gaps between the doors instead of two plus a jamb on each side of the opening.
It s not uncommon for a gap or crack to exist where the two doors come together.
Close the gap between the two doors with insulated molding.