How to Repair a Bad Patio Door Lock
A secure patio door is an essential part of home security. If your door becomes difficult to lock, it can be a nightmare.
In a lot of instances, a lock that is difficult to open is the result of the wrong alignment or just wear and tear. It is possible to fix the function of the lock by adjusting or lubricating it. If these methods of troubleshooting aren't working, you can replace the mortise lock and handle.
Clean and Lubricate
Over time, dirt, dust and grime can make it difficult to open and close doors. Regular cleaning and lubrication can help to prevent your security device from becoming stiff or stuck. This will save you money on repair costs and prolong the longevity of your door.
To begin, you will need to clean the lock's the cylinder. To do this, you'll need spray cans of penetrating oil, like WD-40. Spray a small amount of oil into the keyhole and then rotate the key to spread it. Avoid using household oils or other solvents that could damage your locks. Make sure to spray a bit on the key itself as well.
When your lock's cylinder is clean, it's time to lubricate. 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 attract dust like liquid lubricants do, which is why it's a great choice for lubricating sticky locks. Silicone sprays are water-resistant and can withstand both humid and freezing temperatures, but may require multiple coats to be effective.
You can also apply de-icer spray specifically made for cold weather. It will break up ice and frost on the mechanism of your lock. This will help you unlock your lock and lock it more easily.
The climate will determine the frequency at which you should lubricate locks. The location of your door can affect its performance. A coastal location can expose it to salty air which can cause corrosion. It is recommended that you ensure that your locks are lubricated at least once every year, or more frequently in areas with harsh weather conditions. Lubricating patio doors repairs can help save the cost of repairs and ensure that they continue to function in a good way for many years.
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 repair of a broken lock on your patio door could prevent further damage and ensure the security of your doors. To fix a locked or unlocked patio door, you can tighten loose screws, adjust the mechanism of the lock, or replace the lock cylinder.
Start by checking the exterior and the inside of the lock to see if there are any signs of damage or misalignment. The patio door locks can expand or contract with the weather and might even shift with time. This slight movement can cause the locking mechanism to not align properly and can cause issues when opening or closing the patio door.
Examine the keyway hole in the lock cylinder. If the lock is corroded or blocked, the cylinder could be difficult to access, and could cause damage to the latch springs, cam or lock pins. If the cylinder doesn't fit easily, you can remove any obstructions using a pair picklocks and tweezers. If the issue continues, you may need to take out the cylinder to determine the root of the issue.
If the lock cylinder hasn't been screwed to the body of the lock it can be removed by unscrewing the screw on the cylinder faceplate. This screw lets you rotate the cylinder, and may even help restore the proper alignment.
Check the cylinder for a small tab that moves upwards and downwards with the key, generally towards the end. This tiny clip, also known as a "release Tab", prevents the cylinder from sliding into the lock body completely. The tab can be removed using a standard key to allow the cylinder to be removed and then it can be inserted.
If your lock cylinder has become stuck and is not aligned, you can fix it by rotating the cylinder until the latch bolt is engaged with the strike plate. The handle or knob may then be pushed and withdrawn. 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 is likely that another component like the latch spring or latch needs to be replaced.
Make sure you tighten the Screws
The locks on patio doors are susceptible to damage from regular usage, extreme temperatures dust, dirt and. These delicate parts may wear out if not maintained properly, causing your door to not lock properly. Fortunately, most lock issues are easily fixable with a few simple maintenance steps.
Clean the lock mechanism. Make use of a damp cloth to get rid of any dirt or dust that might be found. Then dry the parts thoroughly. After cleaning, a small amount of silicone-based lubricant will help keep moving parts running smoothly and efficiently. Avoid lubricants that contain oil bases, they could draw dust and dirt that can lead to further problems.
If your patio door comes with a security footlock, ensure that the footlock is aligned correctly 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. Unlock the screw with the Robertson screwdriver, and then gently pry upwards or downwards to adjust the foot lock as required. Once the adjustment is done you can tighten the screw.
The most common problem when it comes to repairing patio door handles is the misalignment of the latch and strike plate. This could be due to the wear and tear of everyday use, or it could simply be due to the fact that the latch is placed higher or lower than it should be.
Then, remove the handle from the old one and locate the screws or bolts holding it in place. Make sure you keep track of these as you will need them later when installing the new handle. Then, you can remove the old spindle, then slide the new spindle into place on the inside of the door, ensuring that it is properly aligned with the holes in the interior and exterior handles. Install the exterior and interior handles once the spindle is been installed. Make sure that they're properly aligned with the screws or bolts that hold them in place.
Once you've made any necessary adjustments to your patio door, be sure to test it by closing and locking the door. If everything is in proper alignment, the door should open and close without any additional force. If you're still having trouble it could be necessary to move the latch or strike plate or the lock cylinder may be damaged and must be replaced.
Replace the Latch
If your patio door locks aren't working, it could be time to replace the latch. Replacing a lock is a relatively simple home improvement project that a majority of homeowners can do by themselves. Start by sliding the patio doors all the way out and then removing your existing lock on the interior of the door. Take note of how the current lock is screwed into both the door and jamb so that you can discern the type of lock you'll have to purchase.
Before installing the new latch take off the screws that secure the strike plate (the part of the lock that's mounted on the outside edge of the door frame) and adjust it horizontally or vertically to align it with the latch hole in the jamb in the door. After you've repositioned your strike plate, screw it into position and tighten the screws.
After all components have been repositioned or changed after which you can assemble and secure your patio door in accordance with the instructions given by the manufacturer. When you're done, check the latch to ensure that it fits and catches the latch's hasp when the door is closed. If it does, your patio door lock has been installed correctly and is now ready to give you the security and privacy you have come to expect.
As with other parts of your home, your patio doors need to be properly aligned in order for they to function effectively. Over time, heat, cold, dirt, and debris can cause the hinges and the frame of the door to shift. Misaligned hinges, door frames, and locking mechanisms are like trying to insert keys into the wrong keyhole. It doesn't work. You can fix an issue that appeared impossible by following these simple steps. You should pat yourself on the back for tackling the job and reclaiming your patio door's closed position! We're betting you won't face any more trouble opening or closing the door from now on out. Best of luck! We're here if you have any questions or concerns.