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10 Tell-Tale Signs You Must See To Get A New Repair Patio Door Lock
How to Repair a Bad Patio Door Lock

A secure patio door is a crucial element of home security. If it is difficult to lock, it can be a nightmare.

A locked that isn't working properly could be caused by misalignment, or even wear and tear. It may be possible to fix the function of the lock by adjusting or lubricating the lock. If these troubleshooting techniques fail, you may need to replace both the mortise as well as the handle.

Clean and Lubricate

A door lock can become difficult to open and close over time because of dust, dirt and grime. Regular cleaning and lubrication will help prevent your security device becoming stiff or stuck. This will save you money on repair bills and extend the lifespan of your door.

To begin, you will need to clean the lock's the cylinder. Make use of WD-40 or another penetrating spray to do this. Spray patio door repairs into the keyhole, and then rotate the key to distribute it. Avoid using solvents like household oil or other that can harm your locks. Spray a bit on the key.

After your lock cylinder is clean and lubricated, it's time to apply. You can use dry lubricants such as graphite powder or a silicone spray. Graphite is a durable lubricant that doesn't attract dust unlike liquid oils. It's a great option for locking lubrication. Silicone sprays are water-resistant and can withstand both moist and cold temperatures, however they may require several coats to work effectively.

You can also use sprays for de-icing, which is specifically made for cold weather and can lift frost and ice off the lock mechanism. This will allow you to unlock your lock and lock it more easily.

How often you have to lubricate your locks will depend on the environment. The location of your door can affect its performance. A location that is near the ocean can expose it to salty air, which could cause corrosion. It is recommended to ensure that your locks are lubricated at least twice each year, or more often if your area has harsh weather conditions. Lubricating your patio door locks can save the cost of repairs and ensure that it continues to work properly for a long time.

Reposition the Lock Cylinder

If your patio door lock does not work properly there's a chance that one or more of its components could be damaged or misaligned. Regular inspection and prompt repair of a damaged patio door lock can avoid any further damage and ensure your doors are safe. To fix a locked or unlocked patio door, you can tighten loose screws or adjust the lock mechanism, or replace the lock cylinder.

Start by checking the exterior and the inside of the lock to determine if there are any signs of damage or misalignment. Often, patio door locks expand and contract during temperatures that are cold or hot and can shift slightly over time. This slight movement could cause the locking mechanism to stop aligning properly and lead to problems with opening or closing the patio door.

Examine the keyway hole on the lock cylinder. A damaged or corroded lock cylinder might be difficult to access, and could cause damage to the latch springs, cam, or the lock pins. If the cylinder isn't fitting easily, you can clear any obstructions using a pair tweezers and a picklock. If the problem persists you might need to remove the cylinder to find the source.


If the lock cylinder hasn't been screwed onto the body of the lock and is loose, it can be loosened by removing the screw on the faceplate of cylinder. By loosening this screw, it will allow you to move the cylinder around and could help restore proper alignment.

Look over the cylinder for a little tab that moves upwards and downwards with the key, typically towards the end. This small clip, sometimes known as a "release Tab" is what stops the cylinder from sliding into the lock body completely. A standard key will slide this tab back to let the cylinder out and allow it to be removed and put back in.

If your lock cylinder is stuck and is not aligned, you can fix it by rotating the cylinder until the latch bolt contacts the strike plate. The handle or knob may then be pushed and withdrawn. Once you've restored the proper alignment, reassemble the lock and test its performance. If the lock on your patio door isn't working properly it's likely that another component like the latch spring or latch must be replaced.

Lock the Screws

Locks for patio doors can be damaged by regular use, extreme temperatures dust and dirt. Unless properly cared for these delicate components can wear out and cause your door to fail to lock properly. Fortunately, the majority of lock issues can be easily fixed with a few simple maintenance steps.

Clean the lock mechanism. Use a damp cloth to get rid of any dust or dirt that may be present and then dry the lock thoroughly. After cleaning, a small amount of silicone-based lubricant can keep the moving parts running smoothly and effectively. Avoid lubricants that have oil bases since they could draw dust and dirt and cause additional problems.

If your patio door is equipped with a security footlock, ensure that the footlock is properly aligned with the strike plate. In most cases this will only require you to adjust the screws that hold your foot lock to the frame of the patio door. Remove the screw using a Robertson screwdriver, and then gently pry upwards or downwards to adjust the foot lock as needed. After the adjustment is completed, tighten the screw.

When it comes time to repair a patio door handle, the most common problem involves misalignment between the latch and strike plate. This could be due to the wear and tear of everyday use or it could be that the latch is positioned higher or lower than it should be.

Start by removing the old handle, and then locate the screws or bolts that hold it in place. Be sure to keep track of these as you will need them when installing the new handle. Then, you can remove the old spindle, and then slide the new spindle into place on the side of the door, making sure that it is aligned with the holes in the exterior and interior handles. Reinstall the interior and external handles after the spindle has been installed. Make sure that they're aligned properly with the screws or bolts holding them in place.

After you've made the necessary adjustments to your patio door, make sure to test it by closing and locking the door. If the door is properly aligned, it will open and close smoothly without the need for any additional force. If you're still experiencing difficulty then you may need to adjust the latch or strike plate, or the lock cylinder may be damaged and must be replaced.

Replace the Latch

If your patio door locks not working, it might be time to replace the lock. Installing a new lock is a moderately easy home improvement project that most homeowners can complete themselves. Start by sliding the patio doors completely out and then removing your existing lock from the inside of the door. Be sure to study the way in which the current lock is screwed into both the door and the door jamb to determine the type of lock you'll have to purchase.

Before installing the new latch, loosen the screws that hold the strike plate. This is the portion of the lock that is mounted on the outside of the frame of the door. Adjust it horizontally or in an upward direction so that it is aligned with the latch hole. Once you have repositioned the latch plate, tighten the screws and fix it with screws.

After all components have been repositioned or changed, assemble and secure the patio door according to the instructions of the manufacturer. After you're done, test the latch to make sure that it fits and catches the latch hasp when the door is closed. If it does, your patio door lock is functioning exactly as it should, and is able to provide the security and privacy you've come to expect from your doors.

Like other parts of your house, need to be aligned properly to work efficiently. Over time, temperature cold, dirt and debris can cause the hinges and door frame to shift. Misaligned hinges, door frames, and locking mechanisms are similar to trying to put keys into the wrong keyhole. It doesn't work. It is possible to fix a problem which seemed impossible by following these easy steps. So give yourself an award for tackling this challenge and regaining your patio door's lock position! We're sure you won't have any more trouble opening or closing the door from now on. Good luck! We're here if you have any questions or concerns.

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