How to Repair a Bad Patio Door Lock
A safe patio door is a crucial element of home security. If it is difficult to lock, it can be a nightmare.
A lock that is not working can be the result of misalignment or simply wear and tear. Lubricating the lock or changing its position can help restore its function. If patio screen door repair fail, you may need to replace both the mortise and handle.
Clean and Lubricate
A door lock may be difficult to open and close due to dust, dirt and grime. A regular cleaning and lubrication schedule can stop your security device from becoming stiff or stuck, thereby saving your money on repair costs and helping your door reach its maximum lifespan.
The first step in the process is to clean your lock's cylinder. To do this, you'll need spray cans of penetrating oil, such as WD-40. Spray a small amount oil into the keyhole and then rotate the key to spread it. Avoid using household solvents or other oils which could harm your locks. Make sure to spray a little on the key itself as well.
Once your lock cylinder is clean and lubricated, it's time to apply. You can use a silicone spray or a dry lubricant such as graphite powder. Graphite powder lasts for a long time and doesn't attract dust as liquid lubricants, so it's a great option for lubricating locks that stick. Silicone sprays can withstand freezing temperatures and are resistant to water. However, they may require multiple coats to be efficient.
You can also apply de-icer spray that is specially designed for cold weather. It will break up the frost and ice from the mechanism of your lock. A couple of sprays will help your lock unlock and then re-lock more easily.
How often you have to lubricate your locks will depend on environmental factors. The location of your door will affect its performance. A location that is near the ocean can expose it to salty air, which could cause corrosion. The general rule of thumb is to lubricate your locks every two years, or more frequently if you reside in an area that experiences extreme weather conditions. Lubricating your locks can save you money on repairs and ensure your patio door will function properly for long time to come.
Reposition the Lock Cylinder
If your patio door lock isn't functioning properly, it could be that one or more components are damaged or misaligned. Regular inspections and prompt repairs of a faulty lock on your patio door could stop further damage and increase the security of your doors. To fix a locked or non-locked patio door, tighten loose screws or adjust the lock mechanism or replace the lock cylinder.
Begin by looking at the exterior and the interior of the lock to see whether there are any indications of damage or misalignment. Most often, patio door locks expand and contract with temperatures that are cold or hot and can shift slightly over time. This slight movement could cause the locking mechanisms to not align properly and can cause issues when opening or closing the door.
Next, examine the lock cylinder to find any obstructions in the keyway hole. If the lock is corroded or blocked, the cylinder might be difficult to open, and may cause damage to the cam, latch springs or the lock pins. If the cylinder does not fit easily, you can clear any obstructions by using a pair of tweezers and a lock. If the issue continues, you might need to remove the cylinder to find the cause.
If the lock cylinder hasn't been screwed into the body of the lock then you can loosen it by uncrewing the screw that is flat inside the faceplate of the cylinder. Unscrewing this screw will allow you to rotate the cylinder and could help to restore alignment.
Examine the cylinder for a little tab that moves up and down with the key, typically towards the very end. This little clip, also known as a "release tab" is what keeps the cylinder from sliding into the lock body. This tab can be moved back with a standard key to allow the cylinder to be removed and then it can be inserted.
If your lock cylinder is stuck, you can restore alignment by rotating the cylinder until the latch bolt is engaged with the strike plate. The handle or knob can then be pushed, and pulled back. Reassemble the lock once you have restored alignment. Test it to see if it works. If the lock on your patio door isn't functioning properly it's likely that an additional component such as the latch or latch spring requires replacement.
Lock the Screws
Over time, frequent use as well as cold and hot weather dust, dirt and even dirt can take their toll on patio door locks. These delicate parts can wear out if not properly maintained, causing your door to stop locking properly. Most lock problems are easily solved with just a few steps.
The first thing you need to do is clean the lock mechanism. Use a dampened cloth to get rid of any dust or dirt that might be present. Then dry the lock thoroughly. After cleaning, a small amount of silicone-based lubricant can help keep moving parts running smoothly and efficiently. Avoid lubricants that have oil bases since they could attract dust and debris which could cause more problems.
Next, if your patio door has a security foot lock be sure that the foot 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. Loosen the screw using the Robertson screwdriver, and then gently move it up or down to adjust the foot lock as required. Once the adjustment is done, tighten the screw securely.
When it comes to fixing a patio door handle, the most common problem is misalignment of the strike plate and latch. This can be caused by wear and tear or the latch could be set higher or below what it should be.
Begin by removing the old handle, and then locate the screws or bolts that hold it in place. Keep on track of the screws or bolts, since you'll need them for the installation of the new handle. Then, take off the spindle that was in use and slide the new one into place on the interior of the door. Be sure that it is in alignment with the holes in both the interior and exterior handle. Once the new spindle is in place put back the handles for both exterior and interior to ensure that they are properly aligned with the screws or bolts that hold them in place.
Close and secure the patio door after you have made any necessary adjustments. If everything is in proper alignment, the door should open and close smoothly without any additional force. If you're still having trouble it could be necessary to move the strike plate or latch, or the lock's cylinder might be damaged and require to be replaced.
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 complete by themselves. Begin by sliding the patio doors all the way out and unscrewing your existing lock on 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 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 a vertical direction so that it is aligned with the holes for the latch. After you've repositioned the latch plate you can tighten the screws, then screw it in place.
After all the parts of your patio door are repositioned or replaced, reassemble and secure them as instructed by the manufacturer. When you're done, test the latch to make sure that it fits and is able to catch the latch's hasp when your door is closed. If it does, your patio door lock is now functioning just as it should and is able to provide the security and privacy you've come to appreciate from your home's doors.
Like other areas of your home should be aligned properly to work effectively. Over time, temperatures, cold, dirt, and debris could cause the frames and hinges to shift. When these elements are misaligned, it's like trying to insert a key in the wrong hole for a key and it doesn't work. You can solve the issue that seemed to be impossible by following these easy steps. Give yourself a pat on your back for tackling the project and reclaiming the patio door's closed position! We're sure you won't have any trouble opening or closing the door from now to the end. Have fun! We're here for you if there are any questions or concerns.