The misalignment may be the result of wear on the.
French door sticking at top.
If the doors cannot open at all use a flashlight to check the gap between the doors and the frame for anything amiss.
Watch for the areas where the doors sticks particularly around the top.
How to fix french doors that won t close step 1.
If your door is sagging down and sticking at the top then tighten the top and middle hinges.
Check the doors to see whether the catching persists.
If you can open your french doors you can check the hinges as well as the door handle and fastening.
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.
If a swinging patio door isn t making proper contact when closed you may need to make adjustments to the hinges you ll learn how to adjust the hinges to ma.
If it s sticking at the bottom then adjust the bottom hinge.
If it s a matter of friction on the strike plate try to tighten both the plate and the lock on your door.
Most times you ll find that the door sticks along the top because the door is sagging.
Open and close the door while you work to see how your adjustments affect the door.
You can even see where the door has scraped against the frame.