Happened to me once and found out it was a tiny stone blocking the lock mechanism.
My french doors wont lock.
How to fix a french door that won t unlock step 1.
Watch for the areas where the doors sticks particularly around the top.
If the door feels and sounds fine you must look elsewhere for the cause.
If the screws turn but the hinge won t tighten.
Open and close the doors individually.
It could be for example that the edge of.
Spray the inside mechanics of the french door knob thoroughly using canned air duster to dislodge any dust or.
A cremone bolt is a surface applied lock used on double or french doors.
Tighten all the hinges on both doors with a screwdriver if they are sagging or if the latch doesn t work.
French door problems and how to fix them try closing the doors the best you can to determine the specific problem.
How to fix french doors that won t close step 1.
If you can open your french doors you can check the hinges as well as the door handle and fastening.
Test the french doors by swinging them back and forth to check for resistance or any strange noises.
If the doors.
Check the doors to see whether the catching persists.
Disassemble the door knob that contains the lock on the french doors using a screwdriver to loosen and remove.
This does not have a locking mechanism at the mid point of the door like a typical door lock.
If any of the screws keeps turning without drawing the hinge tighter remove the screw and.
Tighten the hinges on all doors if they look like they re sagging.
When the handle is turned both top and bottom bolts retract allowing the door to be opened.
Look down at the place where the door shuts and make sure there s no small stone or something.