Open and close the doors individually.
French doors won t stay closed.
Either due to wear and tear on the hinges if they re older doors or a poor installation if they re newer.
If you find that the latch contacts the strike plate too high or too low make sure all the door s hinge screws are tight.
Tighten all the hinges on both doors with a screwdriver if they are sagging or if the latch doesn t work.
If this is happening to your french doors also known as french windows then it s most likely because they have become misaligned.
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Tighten the existing screws into the hinges.
If we close the left door quickly the right door opens slightly and remains slightly ajar.
If that doesn t solve the problem try this trick.
If you have a door that just barely catches the latch because the gap between the door and frame is too big it s likely that the doors were installed poorly.
How to fix french doors that don t close properly 1.
Check the doors to see whether the catching persists.
Watch for the areas where the doors sticks particularly around the top.
Push it against the screws and retighten them.
As reliable as they can be if you ve had your french doors installed for a while they might develop problems opening and closing.
We do not notice it until the temperature alarm sounds.
Close the doors to determine the problem.
How to fix french doors that won t close step 1.
Some french door models have a door mullion which can affect the doors opening and closing properly.
Tighten the hinges first.
There is no mechanical interference when the left door is closed.
Drive a 3 inch.
If the door is shut the mullion should be flat out for the right door to seal it.
If the door is open make sure that the mullion is folded in so that it can close properly.
Loosen the hinge screws in the jamb and insert a 1 16 in thick x 3 8 in wide piece of cardboard behind the hinge leaf.
Remove one of the screws on the jamb side of the hinge and drive in a 3 in.
The right door opens from just the displacement of air when closing the left door.
What good is a door that doesn t close.