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How to Repair a Bad Patio Door Lock

A secure patio door is essential to home security. It can be difficult when your door is difficult to lock.

In most cases, a stubborn lock is the result of an incorrect alignment or simply wear and tear. Lubricating the lock, or adjusting its position can aid in restoring its functionality. If these solutions aren't working, you can replace both the mortise as well as the handle.

Clean and Lubricate

Over time, dirt, dust and grime can make it difficult to open and close the door lock. Regular cleaning and lubrication schedule can prevent your security device from becoming stiff or stuck, saving your money on repair patio doors costs and allowing your door to reach its maximum lifespan.

To begin, you will need to clean the lock's cylinder. Use WD-40 or another penetrating spray to complete this. Spray a small amount into the keyhole and work the key into and out to distribute the oil. Do not use household oil or other solvents that can harm your locks. Spray a small amount on the key.

After cleaning your lock cylinder it is time to lubricate. You can apply a dry lubricant such as graphite powder or sprays of silicone. Graphite is a lubricant that lasts for a long time that doesn't attract dust, unlike liquid oils. It's a great option for lubricating locks. Silicone sprays are water-resistant and can withstand moist and freezing temperatures, but may require several coats to work effectively.

You can also apply sprays for de-icing specially made for colder weather and will loosen ice and frost from the lock mechanism. A few sprays of this will aid your lock to unlock and then re-lock more easily.

The environment will determine how often you need to lubricate locks. A location near the coast exposes your door to salty air and lead to corrosion. Temperature changes can impact the performance of your lock. The standard rule of thumb is to oil your locks twice per year, or more frequently when you live in a region that has harsh weather conditions. Lubricating your locks can save you money on repairs and ensure your patio door continues to perform as it should for the years to come.

Reposition the Lock Cylinder

If your patio door lock repairs door lock doesn't work properly it could be because one or more of its parts may be damaged or misaligned. Regular inspection and timely repair Patio Door lock of a damaged patio door lock can prevent any further damage and ensure your doors are safe. You can fix doors that are locked or unlocked by tightening loose screws, altering the lock mechanism or replacing the lock cylinder.

Start by examining the exterior and interior of the lock for signs of damage or misalignment. Locks for patio doors may expand or contract depending on the weather and could shift over time. This slight movement could cause the locking mechanisms to stop aligning properly and cause problems when opening or closing the door.

Examine the keyway hole in the lock cylinder. An obstructed or corroded lock cylinder may be difficult to open and could eventually cause damage to the lock pins, cam or latch springs. If the cylinder isn't fitting easily, you can remove any obstructions by using a pair of picklocks and tweezers. If the issue persists, you may need to remove the cylinder and disassemble it to find the source of the obstruction.

If the lock cylinder hasn't been screwed into the lock body, you can loosen it by removing an elongated screw within the cylinder's faceplate. Loosening this screw will allow you to rotate the cylinder and could aid in restoring alignment.

Look over the cylinder for a small tab that can move upwards and downwards with the key, generally towards the end. This little clip, called a "release tab" is what keeps the cylinder from sliding all the way into the body of the lock. A standard key will move this tab back to release the cylinder and allow it to be removed and then reinserted.

If your lock cylinder is stuck, you might be able to restore proper alignment by rotating it until the latch bolt is in contact with the strike plate and the handle or knob can be pushed in and withdrawn. Once you have restored the proper alignment, you can reassemble the lock and check its performance. If your patio door lock is difficult to use, it's a sign that another component such as the latch or latch spring is worn or damaged and will need to be replaced.

Tighten the Screws

Over time, regular use as well as cold and hot weather, dirt, and dust can wear down patio door locks. These delicate parts can be damaged if they are not maintained properly, causing your door to stop locking properly. Most lock problems are easily solved with just a few steps.

Clean the lock mechanism. Make use of a damp cloth to remove any dirt or dust that may be present and then dry the parts thoroughly. After cleaning, a small amount of silicone-based lubricant can keep the moving components functioning smoothly and efficiently. Avoid lubricants that contain oil bases, they could attract dust and debris which can cause further problems.

If your patio door repair door is equipped with a security footlock, make sure that the footlock is properly aligned with the strike plate. In the majority of cases, this will require changing the screws that attach the foot lock to the frame of the patio door. To adjust the footlock, loosen the screw with the help of a Robertson screwdriver, and then gently push it up or down. After the adjustment has been completed you can tighten the screw.

When it comes to repairing a patio door handle the most frequent issue is misalignment of the strike plate and the latch. This can be caused by wear and tear or the latch could be placed lower or higher than it should be.

Start by removing the handle, and then locate the bolts or screws which hold it in place. Make sure you keep track of them as you will need them later when installing the new handle. Then, you can remove the old spindle, then slide the new one into position on the inside of the door, ensuring that it is aligned with the holes in the exterior and interior handles. Reinstall the exterior and interior handles once the spindle is been installed. Make sure they are properly aligned with the bolts or screws that hold them in place.

Once you've made any necessary adjustments to your patio door, make sure to test it by closing and locking the door. If everything is in proper alignment, the door will be able to open and close smoothly, without additional force. If you are still having issues, you may need to move your latch or strike plate or replace the lock cylinder.

Replace the Latch

If your patio door locks not working, it might be time to replace the lock. Installing a new lock is a fairly simple home improvement project that a majority of homeowners can tackle by themselves. Start by sliding the patio doors completely out and removing the existing lock from the inside of the door. Examine the lock you have to determine the type of lock that you'll need.

Before installing the new latch, loosen the screws that secure the strike plate. This is the part of the lock mounted on the edges of the frame of the door. Adjust it either horizontally or in an upward direction to align it with holes for the latch. Once you have repositioned the latch plate you can tighten the screws, then fix it with screws.

After all components have been moved or adjusted then assemble and secure the patio door as instructed by the manufacturer. After you're done, test the latch to make sure that it fits and is able to catch the latch's hasp when the door is closed. If it does, your patio door lock is working exactly as it should, and is able to provide the security and privacy you've come appreciate from your home's doors.

Like other parts of your home, your patio doors need to be aligned properly for them to function efficiently. Over time, temperatures or cold, dirt and debris could cause the frames and hinges to shift. Misaligned hinges, door frames, and locking mechanisms are similar to trying to put keys into the wrong keyhole. It's not working. By following these simple steps, you will be able to fix an issue that seemed unfixable. You should pat yourself on your back for tackling the project and reclaiming the patio door's closed position! We'll bet you won't have any trouble opening or closing the door from now to the end. Have fun! We're here if you have any questions or concerns.