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How to Replace a UPVC Door Lock

If you have recently moved to a brand new home or suffered a burglary at your home and you need to change the locks on your doors is a crucial step to regaining security. The process isn't nearly as difficult as it might seem.

It's all it takes is a little preparation and the appropriate tools to avoid a visit from a locksmith.

Identifying the issue

It's important to recognise the indicators that indicate that you can tell if a uPVC door lock is not working correctly. If you're having trouble to turn the handle, or you hear strange sounds when operating the mechanism, it could mean that it's in need of replacement. Don't wait until your lock is broken completely before replacing it. This can make you vulnerable to burglars.

If you're having trouble locking your uPVC door, there could be several reasons behind the problem. One possibility is that the key doesn't fit properly. Another possibility is that the lock is damaged or worn. If you notice that your uPVC door handle is loose or sloppy, this is another sign that it's time to replace the mechanism.

Another issue that is common is that the handle gets stuck in the locked position. This could be due to many things, such as broken hinges in the door or excessive pressure on the handle. To correct this issue you can tighten the screws that secure the barrel of the lock in position.

It is also possible that your uPVC door isn't properly aligned with the frame. This could cause the handle to get stuck in the locked position and stop the latch from engaging when you shut the door. To fix this, you can use a lubricant to make it easier to open and close the door.

You can also grease the handle and locks with an approved graphite-based product that will not collect dust like petroleum-based products. Apply the lubricant at least every six months or more often if the handle is stiff. This is a straightforward maintenance procedure that can help to keep your doors in good working order for longer.

It is never advisable to use force to open a handle or lock if it becomes stuck. It's best to call an expert locksmith if you are having issues with your uPVC lock. This can damage the mechanism and handle, and result in additional charges. With the right understanding and a little effort you can easily replace a uPVC lock, without needing to hire locksmith.

Finding the right lock

It can be difficult to replace a lock made of uPVC, however, with the right tools, it's possible. When replacing the uPVC handle it is crucial to make sure that the new lock is sized correctly. This will ensure that the handle fits into the spindle hole properly and it can close and lock the door without the need for a key.

The size of an uPVC lock is measured by using two standard reference points. The first is located at the center of the circular keyholes that are located on the front of door all the way to the center square spindle hole. (The connection point where the handle is located). This is called the PZ measurement. The second measurement is taken from the bottom of the uPVC frame up to the middle of the round part of the keyhole located on the top of the door. This is the backset measurement.

Getting the right lock is essential because it is necessary to ensure the proper operation of your multipoint locking system. It's also a great way to increase the security of your home. Some uPVC locks come with anti-snap locks that minimize the possibility of the cylinders snapping. This gives you greater security when compared to regular locks.

Some uPVC doors can be difficult to fix without the assistance of professionals. A jammed or stiff lock could be the result of dirt or dust inside the mechanism. In the event of trying to force the lock to open could cause more damage and worsen the situation. the internal components. In such cases it is recommended to call an expert locksmith who will disassemble the lock and clean it, then apply the lubricant.

Another typical uPVC door problem is misalignment of locking mechanisms. double glazed door lock replacement could be due to weather conditions or wear and wear and tear. However, it can also result from improper installation or adjustments. Unchecked misalignment could expose your home to burglaries.

A locksmith that specializes in uPVC doors can examine the locking mechanisms and recommend the right solution. They can replace broken springs and adjust locking mechanisms to ensure that they function smoothly. In addition, they are able to install a variety of accessories for your uPVC doors, including cameras for peepholes and door security chains.

Installing the Lock

If your uPVC door handle is jamming or if the lock cylinder isn't turning, it's time to replace it. A malfunctioning uPVC lock could cause security issues for your home, therefore it's crucial to replace it as quickly as possible. A professional locksmith can assist you install the new lock and make sure that it's installed correctly to prevent any future problems.

Making changes to the uPVC lock on your door doesn't have to be complicated or expensive. Anyone with basic DIY skills can accomplish this relatively easy task. It is essential to be cautious during the entire process and follow the instructions of the manufacturer of your specific model uPVC lock.

Begin by removing the handles from the outside of your uPVC door. The handle is typically secured by two screws, which can easily be removed using a screwdriver. After removing the handle, you can take out both the interior handle and cylinder. Keep an eye on the cylinder number as well as the handle number so that you can order replacements if necessary.

Open the barrel lock by turning it to the right. Once you've opened the lock, you'll be able to unscrew the long screw that holds it in place. The screw is usually a different shade of color than the other screws on the frame and is located at the bottom. After removing the screw, you'll be able to move the barrel out.

Replace the barrellock the same manner as the old one, making sure it fits properly and is aligned with the doorframe. Once the lock is installed you can put in the handle and tighten the screws. Test the lock to ensure it works properly.

Whether your uPVC door handle is jamming, doesn't turn or is loose, it's the right time to replace it. The locks that are damaged are frequently targeted by criminals looking to gain access to your home, so it's essential to take the appropriate steps to safeguard your home and family. A professional locksmith can assist you with the process and offer expert advice to improve the security of your home.

Testing the Lock

It is essential to plan thoroughly prior to the replacement of your uPVC lock. This includes consulting the manual of the manufacturer for any specific instructions and gathering all the necessary equipment and materials. It's also important to take the time to make sure that you're secure when working. Wearing work gloves and placing an object of wood or doorstop under the door will help keep it stable.

It's time to replace your uPVC lock once you've prepared properly for the job. It's important that you ensure you take measurements of your door and cylinder and then record these measurements to ensure a proper fit. This is essential to ensure that your new lock cylinder is fitted correctly that will guarantee security and convenience.


There are a variety of common problems that can cause problems for uPVC door locking mechanisms, including misalignment or worn-out lock cylinders, jammed or stiff locks. These issues can be easily solved by locksmiths.

You'll need to remove any debris or dirt that could be causing an unbalanced or rigid lock. Make use of a dry lubricant like graphite or PTF instead of an oil-based product. Oil-based products are prone to attract dust and dirt.

After the lock's cylinder has been removed, you will need to clean it. It is also important to inspect the cylinder barrel and look for evidence of damage or wear. When you're sure that everything is in good order and in good working order, you can put together the lock. Test it to ensure it works correctly.

It can be a hassle to lose or break a key, and it could compromise the security of your home. If you follow these steps, you can gain access to your home and restore security. If you're having trouble with your uPVC lock, it's best to contact an expert to manage the repair process in a timely and efficient manner. They'll have all the tools and experience needed to take the lock apart, clean and oil its components, and align it properly in the door frame.

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