It s not uncommon for a gap or crack to exist where the two doors come together.
Gap at bottom of french doors.
If it is then your door is level but if the gap varies in size your door is still sagging and you need to make further adjustments.
Inspect the gap at the edge of the door and the doorjamb.
I had a handyman install new french doors onto my patio to replace the original 1950 french doors.
Install door sweeps on the bottom of the french doors.
The bottom astragal bolt results in a break in the door sweep weatherstripping and the astragal lip.
Use a drill to affix the sweep so that the blade edge is on the inside of the door and the drip or tube edge is outside.
The asterical strip is a decorative piece of wood about 2 inches wide 1 inch thick and as long as the door.
Install additional shims as necessary so the gap is uniform from bottom to top.
Frost king corner guards.
Http bit ly frostkingcornerguards ks door corner seals white.
Remove one door from the hinges and set it upon two sawhorses.
They are available at hardware stores or online and they will retrofit into the original hinge mortise indentation on the doors and the frame.
It s applied to the operable door if the doors open out inoperable door if they open inward.
Use a measuring tape to find the distance between the 2 doors to see if it s the same from top to bottom.
The strip hangs over the side of the door and covers the gap between the 2 doors usually weatherstriping is applied there too.
Close your doors and inspect the gaps between the doors.
Because one or both of the french doors are moving many traditional weatherstripping solutions just don t apply.
Reinstall any screws that were removed.
Brick molding a molding used on an exterior door typically applied to prehung units put on the outside of the frame as a stop or to hide brick siding stucco or concrete.
Repeat with the second door.
That s the extra piece attached to the stationary door where the 2 doors meet in the middle it allows for the stationary door to bolt into the frame top and bottom and also has a lip to stop the moving door and cover the gap between the doors.
Bottom rail the bottom portion of the door.
My issue is the weather stripping along the bottom of the door leaves a 1 4 gap that is like a wind tunnel of cold air into the house.
French doors can be a weak point for letting moisture light sounds bugs cold air and dirt into your home.