It may be that the edge of one of the doors hits the upper jamb the doors don t clear each other or the latch doesn t work.
How to fix french doors that won t close.
Solve the problem with a file a chisel and a dab of lipstick any shade will do.
Open and close the doors individually.
The first and easiest thing to check is that all the hinge screws are tight.
Step 1 determine the source of the problem whether the french doors are completely unable to open only stick intermittently or simply feel rather stiff you must examine them thoroughly to determine the cause of the problem.
Over time french doors will start to loosen in their frame and hang crooked making it difficult to open or close.
The fix will depend on what locking mechanism you ve chosen.
Close the doors and inspect the alignment at the top edges and the seam where the doors meet.
Luckily leveling your doors is as easy as tightening or loosening your hinges until the doors are back in place.
A wooden door that that sticks or won t close is usually fairly easy to fix.
If you ve made your adjustments to the hinges and you still feel a draft coming inside you may need to add new weatherstripping on the inactive door to seal it.
Other types of doors can also be fixed but there are fewer options when it comes to modifying the size or shape of the door itself.
Where the doors stick will determine how you fix the problem.
Close the doors to determine the problem.
Open and close the doors together to check for sticking along the center where the two doors meet.
Nine times out of ten if the lock is stuck or if the key won t turn enough to lock your doors it will be due to some sort of obstruction in the mechanism itself.
There is no quick fix for a french door lock not working.
The fix will depend on what locking mechanism you ve chosen.
Watch for the areas where the doors sticks particularly around the top and bottom of each door.