Fixing French Door Locking Mechanism Replacement
You'll want to secure your french doors securely. This can be done by choosing a lock that keeps your door safe without hindering airflow or altering the aesthetics of your space.
French door locks typically have three-point locking systems that has flush bolts on the lower and upper edges of each door panel, and a lockset for the door that can be opened. This lockset isn't easy to penetrate.
How do you fix a French door that isn't locking
It can be a significant safety risk when doors don't latch or lock properly. It could also be a sign of a more serious problem, such as a cracked or damaged locking cylinder. Don't worry, the problem is fixable by following a few simple steps.
The majority of the time, the reason a door won't close is because of an obstruction that is blocking the latch. It could be as simple as dirt getting stuck in the latch or the latch could be defective.

If you look at the strike plate, (the metal piece that is on the side of the doors that rests against the frame) You can determine whether it's true. If you see a tiny metal tab sticking out of the strike plate, gently tap it using a screwdriver and hammer it to bend it slightly and this will open the hole in the plate and allow the bolt can drop into the door more easily.
A latch that is seized is typically caused by poor alignment or improper installation. Lubricating the latch will allow it to work better, but will not fix issues with alignment.
If you do not have a strike plate it's simple to install one. It is necessary to remove the lock body from the door (the part that is screwed into the frame of the door) and replace the complete lock assembly with a brand new one. This is a straightforward job that requires a Phillips head screwdriver as well as a power drill.
It is recommended to keep the lock lubricated, especially the cylinder, frequently to ensure it operates as well as possible. You can use graphite or silicone-based lubricant to do this. Apply the lubricant to the key and then slowly turn it several times until the cylinder moves freely.
A double-cylinder deadbolt is better than the standard deadbolt when it comes to French doors. A simple twist lock on the handle won't be enough to keep intruders out and a standard deadbolt fitted with an internal thumb-turn of the door can be beaten by breaking the glass and reaching into the door.
How do fix an French door that isn't latching
The issue is usually caused by the latch of the door not interacting correctly with the hole in the strike plate. It is usually caused by sagging hinges. However, it could be due to an issue with the position of the latch or the latch itself. You can use lipstick, or another similar marker to determine which one is responsible. This mark will help you determine the cause of the issue. For instance If the mark is below the strike plate, then it's probably the hinges. If it's above, then it could be the position of the latch.
When installing handles or a new lock mechanism on an external French Door it's important that the strike plate and latch holes are aligned correctly. This is particularly important in the event that one door was closed for a long amount of time. During this period, the door could be a bit shifted. This is especially common with doors made of timber and composite, as they are susceptible to contraction or expansion based on the weather or the environment.
To fix this, remove the latch at the edge of the active door and unscrew it from the handle. Then, using a sharp chisel and hammer, enlarge the strike plate hole on the door frame. This will allow you to put the latch in a better position for the door. When the door is closed, it will close without catching the frame.
After the latch hole is expanded, insert the new latch into the strike plate and screw it in. Next, re-adjust the strike plate with the screw and hammer until it is sitting in a more appropriate position, then test the door. Make any adjustments as required.
repairmywindowsanddoors.co.uk with external French Doors is that the lock cylinder won't turn. This could be caused by obstructions or wear and tear, but it is usually easy to resolve. The lock may be obstructed or the pins of the cylinder wear. A simple cleaning can make a world of difference to the functioning of the mechanism, and it's well worth giving this the go-ahead. If the issue is not resolved, it is often necessary to replace the entire lock cylinder.
Fixing a French Door that isn't opening
If your French doors aren't locking, the problem is most likely caused by dirt and debris blocking the mechanism for locking. Verifying that the frame is clear and that there's nothing blocking the locking system is the first thing you need to do. It is possible that the French door frame and French door are not aligned properly. This could cause the French door to slide against the frame, resulting in jamming.
The mechanism for locking is simple. A key rotates the spindle, and then moves the bolt up and down on the rail. If the handle is moving but the bolt doesn't it means that something is stuck. It could be that the lock's mechanics are faulty or it might need lubricating. Make use of a silicone spray. It comes with a nozzle that you can use to direct lubricant directly into the mechanisms. Spray generously and then turn the handle to make sure that all parts of the lock mechanism are lubricated.
It is also possible to adjust the location of the latch on the French door. It is generally possible to do this from outside. If you're French doors were just installed, you should be able fix the latch and handle in the right position without any difficulty. If your French doors are older, you will have to use the template included in the lock kit to mark where the holes for the handle on the door and latch on the frame need to be. The hole to install the handle or knob at the proper height. It is typically about 36 inches above the floor. Then, drill a smaller hole along the edge of the doors for the latch.
Once the hole is drilled It is crucial to make sure that the latch plate is properly placed over the strike plate that is on the door frame. If the latch plate does not fit correctly the deadbolt will not retract into the strike plate when you pull the lever to lock. In the end, you'll have to screw the latch plate into the correct position.
How do fix a French door that isn't closing
The latch on the latch on a French Door may become stuck and can't be closed. This renders the doors inoperable. This is usually a simple problem to resolve, but it may require you to remove one of the doors that are heavy. The most common cause is that the latch is misaligned either with the strike plate or with the door jamb or both. The dead bolt may not be fully extended or retractable. It is possible to have misalignment in the course of time because of weather or settling.
It is sometimes difficult to open doors that are stuck. To resolve this issue take off the screws that secure the hinge to the frame and then, add shims so the door is raised or reduced. This will bring the latch closer to the lock mechanism, and resolve the issue.
If the latch isn't able to get into position with the strike plate hole on the jamb of the door typically, you can fix it by loosening the screw that is holding the strike plate and using an electric or metal planer to remove some of the edge of the plate until the latch fits. If necessary, you may have to take off the strike plate to chisel out the hole.
The locks on French doors often fail to latch properly. If you have a more recent lock it could be an indicator of an issue with the locking cylinder. You'll need to remove the lock and examine it for obvious damage or obstructions, and if it's not functioning properly, you may require replacing it.
Replace the old weatherstripping on the exterior of an older door if you notice a draft coming in. This will create a tight seal and stop the doors from sagging. You can also put in door sweeps to ensure that all of the gaps you might encounter are sealed. Install the sweeps on top and bottom of the door.