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The No. #1 Question That Everyone In Patio Door Lock Repair Should Be Able To Answer
Patio Door Lock Repairs

Over time, wear and tear could cause lock malfunctions. Fortunately, there are several easy and efficient methods that can restore your uPVC patio door's security.

These quick fixes will make your home safer no matter if you adjust the lock or clean the mechanism.

Clean the Lock

While patio doors are an excellent way to let in the outside and keep the elements out however, they can also pose a security risk in the event that your lock isn't operating as it should. With time, wear and tear, hot and cold weather dirt, and other debris can cause your patio door lock to become difficult to operate. With a little care you can ensure that the lock on your patio door always works correctly.


It is essential to first clean the patio door lock as well as all moving parts. This will help to remove any dirt or coatings that might be hindering the lock from working correctly. Start by wiping the moving parts on the lock for your patio door with a damp cloth. Then apply a scouring pad or a rough damp cloth to scrub the dirt-infested areas of the door frame and frame. Then clean the lock with a dry towel to get rid of any remaining moisture. Let it air dry before you use it.

If you have an exterior door that is fitted with pin tumbler latch mechanisms it is possible to grease the lock by applying powdered graphite to the key or applying an lubricant based on Teflon such as WD-40 Multi-Use Product. This type of lubricant can be easy to apply and doesn't break down over time. If you're unable find the right lubricant for your lock, you can make use of a pencil with a more of a thicker tip. Put the pencil into the lock and jiggle it around a bit to distribute the graphite.

The tracks for sliding patio doors also require regular maintenance to keep them free of dirt, dust and other debris. These tracks are especially susceptible to snow and ice, which can cause them to be stuck or jammed and make it difficult for your patio doors to open and close.

Clean the track rails and rollers on sliding patio doors by removing any weather stripping that is damaged or dirty. Clean it and replace it. The same can be done for patio door rollers, which can be wiped down and then sprayed with a non-stick lubricant to help them move freely.

Lubricate the moving parts

uPVC french doors, which are similar to sliding patio doors, operate with 3-4 or sometimes five-point locking mechanisms, which include the lock cylinder and handle controlled by keys. These doors require maintenance, lubrication of the moving parts. This can be done using the use of a thin oil however, never WD40. This should be done at least once a year.

If hinges that are sagging don't cause the problem it could be because the door is not aligned. It could be rubbing or catching the hole of the strike plate in the frame. Remove the strike plate, and employ a sharp tool to expand its mortise. This lets the latch sit correctly in the hole and avoids rubbing or catching on the frame.

Take a measurement of the length of the cylinder using a piece of book or wood that is able to fit into the space above the adjustment screw. The outer dimension is the distance from the outside of the door to the center of the cylinder, while the inner dimension runs from the center of the adjustment screw to the end of the cylinder.

Check the Lock's Width

If your patio door latch is difficult to turn even after cleaning and oiling it could be because it is not aligned with the strike plate. Make sure that your door is properly balanced and that the hinge screws are in good condition. In many instances, moving the strike plate downwards or upwards could fix the problem.

Most of the time, the issue occurs when the lock's strike is too small for the latch to properly engage. In tilt and slide patio door repairs near me 'll have to increase the opening using the hammer or chisel and then test the latch to make sure that it contacts the strike plate smoothly without rubbing against or catching on the door's frame jamb.

You should identify the type mortise lock that you have before buying a replacement. This can be done by looking at the faceplate on the lock and noting if it is round or square. Look at each screw hole on the existing lock, and note their size. This information will allow you to locate a replacement lock that is exactly the same size and will fit into the hole you have already.

In addition to identifying the mortise lock that is currently in use, you'll also want to inspect it for any scratches or bends that may need repairing. A damaged or bent latch is more likely than one that has frequently used to break. Replace the lock if it shows signs of damage.

Once you've identified the type of lock replacement you need Now it's time to begin the actual repair. The old handle and spindle should be removed from the doorway to the patio. Introduce the new handle. Start by putting in the interior handle by aligning it with the spindle and then securing it by using the two screws or bolts that hold it. Once the handle's interior is in, install the handle that is outside and screw it into place as well. After you've completed these steps, test the handles to make sure they are able to open and close easily and that the latch is in contact correctly with the strikeplate.

Make sure the door's strike is checked

The door latch and strike plate are the two parts of the lock that work together to ensure the latch secures the door. If these parts aren't aligned correctly and the latch doesn't latch the door shut properly. Fortunately, this problem is often easy to fix.

First, inspect the holes in the strike plate's receiving to ensure that they are clear of obstructions like dirt or plastic plugs. Release the screws that hold the strike plate in position. This will allow it to move vertically but it will not be able to separate from the frame. Adjust the strike plate to align its holes for receiving with the latch hooks of the door latch. After the strike plate is adjusted then tighten all screws, and check if the door closes smoothly.

These plates are difficult to reach for homeowners who have sliding patio doors. However, they are essential to secure and unlock your door. These plates are usually located on the top and bottom of the door jamb, where they support the door's latch. The door latch is placed on the strike plate to create a seal when closed. If the strike plate is damaged, rusted or not installed correctly, it may hinder the latch from locking the door securely.

A misalignment of the strike plate and latch is the most common reason for the patio lock to not close or stick. This can be confirmed using the "lipstick" test. Apply some lipstick along the edge of the deadbolt, then cover it with masking tape. When you shut the door the lipstick will leave marks on the tape, indicating you exactly where the latch meets the strike plate. If the mark is too high or low, you can adjust the strike plate.

If your sliding patio door locks are not working properly, they can keep your home secure from intruders. You must resolve this issue as quickly as you can. Follow these easy steps to fix your patio door lock and restore its functionality.

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