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10 Tell-Tale Signals You Need To Find A New Patio Door Lock Repair
Patio Door Lock Repairs

Over time, wear and tear can lead to lock malfunctions. There are a few simple steps you can take to ensure the security of your uPVC door.

These easy fixes will ensure your home is secure, whether you realign the lock or clean the locking mechanism.

Clean the Lock

Although patio doors are a great way to let in the outside and keep out the elements however, they can also pose security risks if your lock isn't working as it should. As time passes wear and tear, extreme cold and hot weather dirt and debris could take their toll on the lock of your patio door and make it difficult to open. With a little care you can ensure that the lock on your patio door is always working correctly.

It's important to clean the lock on your patio door and all of its moving parts. This helps to get rid of any grime and coatings that could be preventing the lock from working as it should. Begin by wiping all the moving parts of the lock for your patio door using a damp cloth. then make use of a scouring pad, or a rough damp cloth to scrub the hard-to-reach areas of the door or frame that are covered in dirt. It is recommended to wipe the entire lock using dry cloths to eliminate any remaining dampness, and allow it to dry completely before making use of it again.

If your patio door is equipped with pin-tumbler latches you can apply powdered graphite to the key. You can also use a Teflon lubricant like WD-40 Multi-Use Product. This type of lubricant is easy to apply and it won't disintegrate over time. If you're unable to find the right lubricant to use with your lock, you can make use of a pencil with a more of a thicker tip. Place the pencil into the lock, then shake it around to spread the graphite.

Tracks for sliding patio doors require regular maintenance to ensure they're free of dirt, dust, and debris. These tracks are especially susceptible to snow, ice and other particles, which can cause them block or become stuck. This could make it difficult for your patio door to open and close.


Sliding patio door track rails and rollers can be cleaned by removing any dirty or damaged weather stripping and then cleaning it, before installing it. The rollers of patio doors can be cleaned and sprayed down with a nonstick lubricant.

Lubricate the moving parts

uPVC french doors, similar to sliding patio doors, work with 3 to 4 or sometimes five-point locking mechanisms, which include the handle and lock cylinder controlled by the key. They require maintenance and lubrication of the moving parts. This can be done using an oil that is thin (never WD40) and is recommended to be done at least once per year.

If the hinges aren't causing the problem, it could be that the door is misaligned. It could be rubbing against or catching the strike plate's opening in the frame. Take off the strike plate and employ a sharp tool increase the size of its mortise. This will allow the latch to fit into the hole, and stop it from hitting the frame.

Measure the width of the cylinder with a piece of wood or a book that can be inserted into the gap above the adjustment screw. The outer dimension is measured from the outside of the door to the center cylinder. The inner dimension is measured from the center adjustment screw to the end of the of the cylinder.

Check the lock's length

If your patio door latch isn't able to turn, even after cleaning and oiling it's possible that it's not aligned with the strike plate. Examine if the door is balanced and if the hinge screws are secure however, in many instances it is possible to move the strike plate up or down can fix the issue.

The latch might not work properly in the event that the strike of the lock is too small. In this situation you'll have to increase the opening using a chisel or hammer and then test the latch to make sure that it contacts the strike plate smoothly without rubbing against or landing on the door's frame jamb.

Before you purchase a replacement lock, first determine the mortise type of lock you have. This can be done by looking at the faceplate and noting whether it is round or square. Then, take a look at the screw holes in the existing lock and note the dimensions of each one. This information will allow you to locate the replacement lock that has exactly the same size and will fit in your existing hole.

In addition to identifying the current mortise lock, you'll also need to check it for any nicks or bends that may require repairing. A badly bent or damaged latch is more likely than one that has frequently used to break. Replace the lock if it displays indications of damage.

Once upvc patio door repairs inspected the lock and decided on the type of replacement you need then it's time to begin working on the actual repair. The old spindle and handle should be removed from the doorway to the patio. Insert the new handle. Begin by installing the handle inside by aligning it with the spindle, and then fixing it by using the two bolts or screws that hold it. Once the interior handle is installed, you can install the exterior handle and screw it into place as well. After you've completed these steps Test the handles to make sure that they are able to open and close easily and that the latch is in contact properly with the strikeplate.

Check the Strike on the door.

The door latch and strike plate are two parts of the lock that work to ensure that the latch locks the door. Misaligned strike plate and door latches will cause the latch to not latch the door correctly. Fortunately, this issue is usually easy to correct.

First, check the holes in the strike plate's receiving to ensure they are free of obstructions like dirt or plastic plugs. Then, loosen the keeper screws that hold the strike plate in place and allow it to move horizontally, but not detaching it from the frame of the door. Then, you can adjust the strike plate until its holes for receiving are aligned with the latch hooks on the door latch. Once the strike plate is adjusted then tighten the screws and then test the door to determine if it shuts smoothly with the new adjustment.

These plates are difficult to reach for homeowners with sliding patio doors. However they are vital to lock and unlock your door. The metal plates are typically located on the top and bottom of the door jamb, where they serve as the door's latch. The door latch is able to slide into the strike plate, creating an airtight seal when closed. If the strike plate has been damaged, rusted, or is not installed correctly the latch may not lock the door properly.

The most common reason for a patio door lock to stick or not close is a misalignment of the latch and the strike plate. The most effective way to test for this is with the "lipstick test." Apply some lipstick along the edge of the deadbolt, then apply masking tape over it. When you close the door the lipstick will leave a mark on the tape, indicating you exactly where the latch contacts the strike plate. If the mark is too high or low it is possible to alter the strike plate.

Locks for sliding patio doors help protect your home from burglars. If they're not working correctly, you must repair the issue quickly. Follow these steps to fix your patio door lock and restore its function.

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