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10 Tell-Tale Symptoms You Need To Get A New Repair Patio Door Lock
How to Repair a Bad Patio Door Lock

A secure patio door is an essential part of home security. If patio door repairs becomes difficult to lock, it can be a hassle.

A stubborn lock can be caused by misalignment, or simply wear and wear and tear. It may be possible to restore the function of the lock by adjusting it or lubricating it. If these solutions fail, you may replace the mortise lock and 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 could help prevent your security device becoming stiff or stuck. This will save you money in repair costs and will extend the longevity of your door.

To begin, you'll need to clean the lock the cylinder. Make use of WD-40 or an equivalent penetrating spray accomplish this. Spray a small amount of it into the keyhole and then move the key into and out to distribute the oil. Avoid using household oils or other solvents that can damage your locks, and make sure you spray some on the key itself.

Once your lock cylinder is clean, it's time to lubricate. You can use dry lubricants such as graphite powder or a silicone spray. Graphite powder lasts for a long time and doesn't attract dust as liquid lubricants do, which is why it's an excellent choice for lubricating locks that stick. Silicone sprays are able to withstand freezing temperatures and are impervious to water. However, they might need multiple coats in order to be effective.

You can also use de-icer spray, which is specifically specially designed for cold weather. It will remove frost and ice off the lock mechanism. A few coats of this will aid your lock to unlock and then lock again easily.

The environment will determine how often you should belubricating locks. The location of your door can affect its performance. A location near the coast could expose the door to salty air, which can cause corrosion. The standard rule of thumb is to oil your locks at least twice a year or more often if you reside in an area that experiences extreme weather conditions. Lubricating your patio door locks will save money on repairs, and ensure that it continues to work properly for a long time.

Reposition the Lock Cylinder

If your patio door lock doesn't function properly, one or more of its parts may be damaged or misaligned. Regular inspection and prompt repair 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 locked by tightening loose screws, adjusting the lock mechanism, or replacing the lock cylinder.

Start by examining the exterior and interior of the lock for indications of damage or misalignment. Often, patio door locks expand and contract with temperatures that are cold or hot and may shift slightly over time. This slight movement can cause the locking mechanism to become misaligned and cause issues when opening or closing the door.

Examine the keyway hole on the lock cylinder. If the lock is corroded or blocked, the cylinder can be difficult to open and may eventually cause damage to the lock pins, cam or latch springs. If the cylinder isn't fitting easily, you can remove any obstructions with a pair of tweezers and a lock. If the issue persists, you may need to remove the cylinder and disassemble it to locate the source of the obstruction.


If the lock cylinder is not been screwed onto the body of the lock, it can be loosen by unscrewing the screw on the faceplate of the cylinder. Unscrewing this screw will allow you to rotate the cylinder and may help to restore alignment.

Look for an elongated tab that moves with the key. It's usually located close to the end. This little clip, also known as a "release tab" prevents the cylinder from sliding into the lock body. A standard key will move the tab back to release the cylinder and allow it to be removed and reinserted.

If your lock cylinder is stuck, you might be able restore proper alignment by rotating it until the latch bolt is in contact with the strike plate and the knob or handle can be pushed into and out. Once you've restored the proper alignment, you can reassemble the lock and test it for functioning. If your patio door lock is still difficult to use, it's a sign that a different component, such as the latch spring or latch is damaged or worn and will require replacement.

Lock the Screws

Over time, the use of regular temperatures, cold and hot weather dust, dirt, and can wear down patio door locks. These delicate parts can wear out if not maintained properly, causing your door to stop locking properly. Most lock problems are easily fixed with a few simple steps.

Clean the lock mechanism. Use a dampened cloth to get rid of any dirt or dust that might be present. Then, dry the components thoroughly. After cleaning, a small amount of silicone-based lubricant can keep the moving parts operating smoothly and efficiently. Avoid lubricants containing oil bases, however, as these can attract dust and debris that can lead to further problems.

If your patio door is fitted with a security footlock, make sure that the footlock is aligned correctly with the strike plate. In most cases, this will require you to adjust the screws that secure your foot lock to the frame of the patio door. To adjust sliding patio door repair need to loosen the screw using the help of a Robertson screwdriver and gently pry it up or down. Once the adjustment is complete, tighten the screw securely.

The most common problem when it comes to fixing patio door handles is misalignment of the latch and strike plate. This could be due to everyday wear and tear or the latch could be placed lower or higher than it is supposed to be.

Then, take out the handle from the old one and locate the bolts or screws that are holding it in the first place. Be sure to keep track of these since you will need them when installing the new handle. Then, take off the spindle that was in use and slide the new one on the inside of the door. Make sure that it is aligned properly with the holes in both the exterior and interior handle. Reinstall the exterior and interior handles after the spindle has been installed. Make sure that they're aligned properly with the bolts or screws to secure them.

After you've made the necessary adjustments to your patio door, be sure to test it by locking and closing the door. If the door is correctly aligned, it should open and shut smoothly without needing any additional force. If you're having difficulty, you might need to move the strike plate or latch or the lock's cylinder might be damaged and must be replaced.

Replace the Latch

If your patio door locks still don't work, it may be time to replace the latch. Installing a new lock is a moderately easy home improvement project that a majority of homeowners can tackle themselves. Begin by sliding the patio door completely open and unscrewing the existing lock from the interior side of the door. Review the lock 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 door's frame. Adjust it horizontally or in an upward direction to align it with the latch hole. Once you've repositioned the strike plate, secure it in position and tighten the screws.

After all the parts of your patio door have been repositioned or replaced, reassemble and secure them according to the instructions given by the manufacturer. After you've completed the process checking the latch. Make sure it fits correctly and that it is able to latch when the door is shut. If it does then your patio door lock is functioning just as it should and is able to provide you with the security and privacy you've come appreciate from your home's doors.

Patio doors, like other areas of your home should be aligned correctly to function efficiently. Over time, heat or cold, dirt and debris could cause the frames and hinges to shift. Incorrectly aligned hinges, door frames, and locking mechanisms are similar to trying to insert keys into the wrong keyhole. It's not working. By following these easy steps, you will be able to fix an issue that appeared to be unfixable. Do yourself a big pat on the back for taking on the job and reclaiming your patio door's closed position! We're sure you'll have no issues opening or closing your patio door. Best of luck! We're here for you if there are any questions or concerns.

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