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Patio Door Lock Repairs

Over time, patio door wear and tear can lead to lock malfunctions. However, there are easy and efficient steps that can help restore your uPVC patio door's security.

It's about realigning the lock or cleaning the mechanism for locking these simple fixes will make your home more secure.

Clean the Lock

Patio doors are fantastic for letting the outdoors inside and keeping out the elements. However, they can be an issue for security when the lock isn't functioning properly. With time wear and tear extreme cold and hot weather dirt and debris can take their toll on your patio door's lock and cause it to become difficult to open. Fortunately, with some minor maintenance, you can ensure your patio door's locks will always perform correctly.

It's important to clean the lock of your patio door repair door and all the moving parts. This helps flush out any accumulated grime and coatings that may hinder the lock from working as it should. Begin by wiping down all the moving parts of the lock for your patio door with a damp cloth. Then apply a scouring pad or rough damp cloth to scrub the dirt-infested parts of the frame and door. Then wipe the lock with a dry cloth to get rid of any remaining moisture. Let it air dry before using it.

If you have an exterior door that is fitted with a pin tumbler latch mechanism it is possible to apply lubrication to the lock by applying graphite powdered to the key or applying an lubricant based on Teflon like WD-40 Multi-Use. This type of lubricant is able to be applied easily and will not disintegrate over time. If you're unable find the right lubricant for your lock, you can apply a pencil that has a more of a thicker tip. Place the pencil in the lock and move it around a bit to spread the graphite.

The tracks for sliding patio doors also require regular maintenance to ensure they're free of dirt, dust, and debris. These tracks can be especially vulnerable to snow and ice which can cause them jam or bind and make it difficult for your patio doors to open and close.

You can clean the track rails and rollers of sliding patio doors by removing any weather stripping that is damaged or dirty. Clean it and replace it. The same applies to patio door rollers which can be cleaned and then sprayed with a non-stick lubricant that will allow them to move freely.

Lubricate the moving parts

uPVC French doors, like sliding patios, operate with 3 to 4 or sometimes 5 point locking mechanisms. This includes the handle and lock cylinder which is operated by the key. They also require maintenance, specifically lubrication on the moving parts. This can be done using an oil that is thin but not WD40. It should be done at least once per year.

If hinges that are sagging don't cause the problem, it could be that the door is not aligned. It may be rubbing against or catching the strike plate's opening in the frame. The solution is to take off the strike plate and then use an abrasive chisel to increase the size of the mortise that it rests in. This allows the latch to fit perfectly in the hole and avoids getting caught or rubbing against the frame.

When the cylinder is out of the way take a measurement of its width using the help of a book or piece wood that will fit in the adjustment screw gap above the lock. The outer dimension is the distance from the outside of the door to the middle of the cylinder, while the inner dimension extends from the center of the adjustment screw until the end of the cylinder.

Check the width of the lock.

If your patio door latch isn't able to turn, even after cleaning and oiling it's possible that it's not aligned properly with the strike plate. Verify that the door is in balance and if the hinge screws are tight however, in many instances it is possible to move the strike plate upwards or downwards can correct the issue.

The latch may not engage properly in the event that the strike of the lock is too small. In this instance, you'll need to enlarge the hole with either a hammer or chisel, and then test the latch to make sure that it connects to the strike plate smoothly without rubbing against or catching on the door's frame jamb.

Before purchasing a new lock, first determine what kind of mortise lock you currently have. You can do this by looking at the faceplate on the lock and determining if it is round or square. Examine each screw hole on the existing lock, and note their size. This information will allow you to find an alternative lock that is the exact same width and will fit in the hole that you already have.

You'll need to identify the mortise lock, and then examine it for bends, scratches or other damage that needs to be fixed. A damaged or bent latch is more likely than one that's been used a lot to break. Replace the lock if it displays indications of damage.

Once you've inspected the lock and decided on the kind of replacement you require now is the time to start working on the actual repair. The old handle and spindle should be removed from the doorway to the patio. Insert the new handle. Start by putting in the handle in the interior and aligning it with the spindle and then securing it with the two bolts or screws which hold it. Install the exterior handle following the interior handle. After you've completed these steps check the handles to make sure they are able to open and close easily and that the latch engages properly with the strikeplate.

Check the door's Strike

The strike plate and door latch are two pieces that work together to lock the door. If they are not aligned properly and the latch doesn't latch the door shut correctly. Fortunately, the issue is usually easy to correct.

Check the holes for receiving of the strike plate to ensure they are clear of obstructions like dirt or plastic plugs. Loosen the keeper screws holding the strike plate. 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 has been adjusted then tighten the screws and test the door to determine whether it locks smoothly after the new adjustment.

Door strike plates can be difficult to locate for homeowners with sliding patio doors, but they are essential to lock and unlock your door. These metal plates are located between the top and bottom jambs of the door, where they serve as the support for the latch. Then, the door latch is able to slide into the strike plate, creating the seal when it is closed. If the strike plate is damaged, rusted or not installed correctly, it may prevent the latch from locking the door securely.

The most common reason for a patio door lock to not close or not close is a misalignment of the latch and the strike plate. The easiest method to check for this is to perform the "lipstick test." Rub some lipstick along the edge of the deadbolt, then put masking tape on it. The lipstick will leave an impression when you shut the door. This will show you exactly where the latch meets the strike plate. If the mark is too high or low you can easily alter the strike plate.

If your sliding patio door locks aren't functioning properly they could be a problem in keeping your home secure from intruders. You must fix this problem as soon as you can. If you follow these steps, you'll be able to fix your patio door's lock and restore its functionality in no time.