How to Repair a Bad Patio Door Lock
A secure patio door is essential to home security. It can be difficult when it isn't easy to lock.
In many instances, a lock that is difficult to open is the result of an incorrect alignment or simply wear and tear. It's 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
A door lock may be difficult to open and close over time due to dirt, dust and grime. Regular cleaning and lubrication routine can keep your security device from becoming stiff or stuck, saving your money on repair costs and helping your door reach its full potential.
The first step in the process is to clean the lock the cylinder. To do this, you'll need a spray can of penetrating oil such as WD-40. Spray a small amount oil into the keyhole, and then turn the key to distribute the oil. Do not use household oil or other solvents which could damage your locks. Spray a small amount on the key.
Once your lock cylinder is clean and lubricated, it's time to apply. You can use an oil spray made of silicone or a dry lubricant, such as graphite powder. Graphite powder lasts for a long time and doesn't swell up like liquid lubricants, so it's a great option to lubricate locks that are sticky. Silicone sprays are water resistant and can withstand moist and cold temperatures, however they may require multiple coats to be effective.
You can also apply de-icer spray that is designed for cold weather. It will melt frost and ice off the mechanism of your lock. A couple of sprays will allow your lock to unlock and then lock more easily.
The climate will determine how often you should lubricate locks. A location with a coastline exposes your door to salty air and cause corrosion, and temperature fluctuations can also affect how well your lock works. The most common rule of thumb is to lubricate your locks at least twice a year or more often if you live in a region that has extreme weather conditions. Lubricating your patio door locks can help save money on repairs, and ensure that it will continue to function properly for a long time.
Reposition the Lock Cylinder
If your patio door lock isn't functioning properly, it could mean that one or more components are damaged or misaligned. Regular inspections and timely repairs of a faulty lock on your patio door will help prevent further damage and guarantee the security of your doors. To repair a locked or unlocked patio door, you can tighten loose screws or adjust the mechanism of the lock, or replace the lock cylinder.
Start by checking the exterior and interior of the lock to determine whether there are signs of damage or misalignment. Most often, patio door locks expand and contract in temperatures that are cold or hot and can shift slightly over time. This slight movement can cause the locking mechanisms to stop aligning correctly and lead to problems with opening or closing the patio door.
Examine the keyway hole in the lock cylinder. If the lock is corroded or blocked, the cylinder might be difficult to access, and can cause damage to the cam, latch springs or the lock pins. If the cylinder does not fit easily, you can remove any obstructions with a pair of tweezers and a lock. If the issue continues it may be necessary to take the cylinder out and disassemble it to find the source of the obstruction.
If the lock cylinder hasn't been screwed into the body of the lock then you can loosen it by unscrewing an elongated screw within the cylinder's faceplate. This screw will let you to rotate the cylinder and could even aid in restoring the alignment.
Look for the small tab that moves along with the key. It is usually near the end. This tiny clip, also known as a "release Tab", prevents the cylinder from sliding into the lock body all the way. A standard key can 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 engages the strike plate. The knob or handle can then be pushed, and pulled back. Reassemble the lock once you have restored proper alignment. Test it for functionality. If your patio door lock isn't working It is likely that another component like the latch or latch spring must be replaced.
Lock the Screws
Over time, regular use temperatures, cold and hot weather dust, dirt, and can take their toll on patio door locks. If they are not properly taken care of the delicate parts could wear down and cause your door to not lock properly. Most lock issues can be fixed with a few simple steps.
The first thing to do is clean the lock mechanism. Make use of a damp cloth to remove any dirt or dust that may be present and then dry the lock thoroughly. After cleaning, a small amount of silicone-based lubricant can keep the moving parts operating smoothly and efficiently. Avoid lubricants that contain oil bases,, as these can attract dust and debris which can cause further problems.
Next, if your patio door has an electronic foot lock for security ensure that the lock is aligned with the strike plate. Most of the time, this will only require you to adjust the screws that secure your foot lock to the frame of the patio door. To adjust the footlock, loosen the screw with the help of a Robertson screwdriver and gently pull it up or down. Once the adjustment is done then tighten the screw.
The most frequent issue when it comes to repairing patio door handles is misalignment of the latch and strike plate. This could be caused by wear and tear or the latch could be set higher or below what it should be.
Then, take out the handle from the old one and locate the bolts or screws that hold it in the place. Keep in mind the screws or bolts, as you will require them for the installation of the new handle. Next, remove fix patio door , then slide the new spindle into the door on the inside of the door, making sure that it is properly aligned with the holes in the interior and exterior handles. Once the new spindle is installed then reinstall the handles on the exterior and interior and ensure that they are properly aligned with the screws or bolts that secure them.
Close and lock the patio door once you have made any necessary adjustments. If the door is properly aligned, it should open and shut smoothly without needing any additional force. If you are still having issues, you may need to reposition your latch or strike plate or replace the lock cylinder.
Replace the Latch
If your patio door locks do not work, it might be time to replace the latch. The replacement of a lock is a relatively simple home improvement project that a majority of homeowners can do by themselves. Start by sliding the patio door completely open and removing the existing lock from the interior side of the door. Review the lock to determine the type of lock 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 outside of the door's frame. Adjust it horizontally or in the vertical direction to align it with the holes in the latch. After you've repositioned the latch plate then tighten the screws and fix it with screws.
After all components have been moved or adjusted, assemble and secure the patio door in accordance with the instructions given by the manufacturer. After you've completed the process checking the latch. Check to see if it fits correctly and is secured when the door is shut. If it does, then your patio door lock has been put in place correctly and is ready to give you the security and privacy you have come to expect.
Like other parts of your home, your patio doors need to be properly aligned for them to work efficiently. Over time, temperatures, cold, dirt, and debris can cause the hinges and door frame to shift. If these components are not aligned it's similar to trying to insert a key in the wrong hole for a key: It just doesn't work. You can fix a problem which seemed impossible by following these easy steps. So, give yourself an ovation for tackling this task and reclaiming the door that was locked! We'll bet you won't have any more trouble opening or closing the door from now on out. Best of luck! We're here if you have any concerns or questions.