How to Replace Lock on a UPVC Door
A door made of uPVC can be blocked when the multipoint lock is misaligned with the frame. The barrel of the lock can be replaced to fix this problem. This is an easy fix that doesn't require any special tools.
The first step is to open the door and observe where the screw holes are located. Then, you will be able to find the right size lock cylinder for your door.
Take out the old cylinder
If your uPVC door is sticking or isn't closing properly the issue could be in the lock cylinder. Changing the cylinder is a quick and cheap solution. However, you should always examine the cause of the issue prior to choosing to replace it. It is possible that the door and frame are misaligned, which can also make it hard for the lock to close. In this case it is best to contact an expert locksmith and pay for an appointment instead of attempting to fix it yourself.
Before starting the process, ensure that the door is opened or secured safely so that it will not close between steps. Next, remove the handle by using a screwdriver. Then, remove the screws that hold it. It is recommended to remove these screws and put them somewhere safe as you will need them later to put the handle back on.
You can access the lock-cylinder by lifting the handle. There is a screw on the edge of the cylinder, which is usually colored differently from the screws that are on uPVC doors. Unscrew the screw, and then use a key to open the barrel lock. When the barrel lock is unlocked you can remove it to replace it with a brand new one.
The cylinder is the component of the lock that houses the tumblers as well as the key. When you insert the key it aligns itself with the tumblers, allowing for the barrel to rotate, thereby unlocking the door. However, it is not uncommon for the tumblers to get out of alignment, preventing the lock from functioning. When this happens, it's important to replace the old cylinder with an anti-snap or anti-bump cylinder.
Before purchasing a replacement cylinder, take a measurement of the length of the spindle's length on the handle to determine the correct size. There are around 25 different sizes for cylinders. It is crucial to buy the right size so that your door will fit. Consider the security level as some cylinders are more secure than other.
Remove the lock barrel
The lock barrel is the internal parts of a upvc door that houses the tumblers and receive keys. The barrel will open the door if the correct key is used. The barrel also houses the cylinder cam, which turns to open and close the door. It is important to know how to remove the barrel from a Upvc door to repair it or to replace it if you need to.
To take off the lock barrel take off the screw that holds it in place. This screw is usually embedded in the escutcheon plate, and is easy to spot since it is distinct from the rest of the screws on the door handle. It's usually a different color, so it's easy to find it. After you've removed the screw, you can remove both the outer and inner handles and start to remove the door lock.
It's recommended to keep a small screwdriver with a flat head since it will prove useful during the process of reassembly. As you take apart the lock that was previously used, make a note of where each piece was located in order to place them back in their original places in the process of reassembly later. You should also look for signs of wear and tear, like worn springs or rusty parts, before you continue.
After you've removed your old cylinder, it's now time to install the new one. The new cylinder can only fit into the lock if it's of the proper size. To ensure that you're installing the right cylinder, you should measure the length of the spindle on your current door handle. Then take this measurement and compare it to the length of the spindle on your new cylinder to determine its proper size.
It can be daunting, but it's actually very straightforward. You'll also save money by doing it yourself rather than hiring an expert locksmith. Make sure you follow the steps listed below carefully to ensure that you don't end up damaging your door. If you're not experienced, you may need to call a professional for help.
Install the new cylinder
After you've removed your old cylinder, it's now time to install the new one. Make sure you choose the correct size cylinder to ensure it will fit properly into your door handle. You can test the cylinder by turning it both left and right. If the cylinder has a key hole, you'll need line up the key hole with the body of the lock so that you can insert your key smoothly.
Once the new cylinder has been installed, you will have to screw it into place. Make use of a screwdriver for this, but be careful not to cross-thread or strip the screw. Test the lock after the screw is installed to determine whether it's secured. If it's not locked you'll have to tighten the screw once more.
UPVC door locks are prone to lots of wear and tear, particularly when they're used often. They're susceptible to a variety of issues such as the lock handle not functioning or the key becoming stuck inside the door lock. This issue can be fixed by altering the locking mechanism.
If your uPVC door's handle is loos try loosening the screws that hold it. If this doesn't solve the problem, call an expert locksmith. They'll be able to fix or replace the handle and barrel of the lock.
Although you may be inclined to replace the cylinder on your uPVC door yourself but it's important to remember that only a qualified professional can do this job safely. If you are not a locksmith, you could end in causing damage to your entire system and potentially compromising the security of your home.

Before ordering a replacement cylinder, you must verify that the lock is a multi-point lock. These locks are found on uPVC aluminum, uPVC and a few wooden doors. They can be put in in either hand. You will need to select the correct replacement lock cylinder. They're usually cylinders that have a bulb shape, with the key lock on the inside of a cam.
Install the lock
If you are looking to increase your uPVC door's security, replacing the lock cylinder can be a great solution. Be aware of the dangers of snapping locks and you should get a professional install your new locks. This way, you will not have to worry about a burglar who might break into your home.
uPVC door lock problems are quite common, but the good news is that many of them can be resolved without having to replace the door or handle. Repair My Windows And Doors that are unable to move or are stuck are the most common problem. This could cause the key to stop working. In some cases, a simple adjustment is all that is required and this can be done easily by anyone who has the proper tools.
It is first important to identify the kind of uPVC lock that is installed in your door. This information is typically found on the label of the manufacturer close to the head or foot of your door. Once you have the name of the manufacturer you can search for a replacement. You should also take measurements of your cylinder to get the right size. Measure from the center circular portion of keyhole to the middle square spindle. This is known as the PZ measurement.
Once you've got your measurements, you can choose the uPVC handle that matches the size and shape of your cylindrical. Make sure that the handle is in line with the length of the spindle since this is what connects to the handle. After that, take off the old handle and screw into your new one. You may require pliers or screwdrivers to tighten the handle but be careful not to over tighten it since this could cause damage.
After the new handle is installed after which you will require the long screw to be screwed back. It can take a while to place the screw exactly where it needs to be so that it doesn't catch on anything. Then, you should test your uPVC door to make sure that the lock is functioning properly.