How to Replace Lock on a UPVC Door
A uPVC door can become jammed when the multipoint lock becomes not aligned with the frame. The barrel of the lock can be changed to correct this issue. 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. The next step is to find the right size lock cylinder that will fit your door.
Take out the old cylinder
If your uPVC door is sticking or isn't closing properly, the issue could be related to the lock cylinder. It is an easy and inexpensive solution to solve this. Always check the root of the problem before replacing it. It is possible that the frame and door are not aligned properly, which could make it difficult to close the lock. In this case, it is advisable to contact an expert locksmith and pay for a service instead of trying to do it yourself.
Before beginning the process, ensure that the door is propped up or secured to prevent it from closing between steps. Then, take the handle off with a screwdriver, and then remove the screws that hold it. You must remove the screws and store them in a safe place because you'll need them later to put the handle back on.
Once the handle is removed, you will be able to gain access to the lock cylinder. Check the edge of the cylinder and you will find a screw, which is usually a different color than the rest of the screws on the uPVC door. Unscrew the screw, and then use a key to open the lock of the barrel. Once the lock is unlocked, it is possible to remove it and replace it with a new one.
The cylinder is a part of the lock that houses the tumblers and also houses the key. When you insert the keys, it aligns itself with the tumblers, allowing the barrel to rotate, unlocking the door. It is not uncommon for the tumblers become out of alignment, preventing the lock from functioning. If this happens, it is important to replace the old cylinder with a anti-snap and anti-bump cylinder.
It is recommended to measure the spindle of the handle prior to purchasing a replacement cylinder in order to determine the proper size. There are around 25 different sizes for cylinders. It is crucial to buy the right size to ensure that your door will fit. It is also a good idea to consider the security degree of the cylinder since certain cylinders are more secure than others.
Take off the barrel of the lock.
The lock barrel is the inner parts of a upvc door that house the tumblers and receive the key. The barrel will open the door when the correct key is inserted. The barrel also houses the cylinder cam, which rotates to open and close the door. It is essential to know how you can remove the barrel from a Upvc door to repair it or replace it if you need to.
To remove the barrel of the lock take off the screw that holds it in place. This screw is usually embedded within the escutcheon plate and is easy to spot as it stands out from the rest of the screws on the door handle. It's often a different color, so you can easily locate it. When the screw is removed it is possible to remove the handles on the outside and inside. After that, you'll be able to take down your door lock.
You should note that it's a good idea to have an easy-to-use screwdriver that is flat because it can be useful during the reassembly process. Note the location of each component when you dismantle the old lock. This will help you reassemble it in its original position. Before you continue, check for signs of wear such as worn springs or rusty components.
Install the new cylinder after taking out the old one. The new cylinder can only fit inside the lock if it's of the proper size. To ensure that you're installing the correct cylinder, determine the length of the spindle on your existing door handle. Then take this measurement and compare it to the length of the spindle on your new cylinder to determine the correct size.
It can be daunting, but it's actually quite simple. You'll also save money by doing it yourself instead of paying a locksmith. Be sure to follow the steps below so you don't ruin your door. You might need help from a professional If you're not an expert.
Install the new cylinder
Install the new cylinder after you have removed the old one. You'll need to make sure that you get the right size cylinder, so that it fits correctly inside your door handle. You can test the cylinder by turning it left and right. If the cylinder is equipped with keyholes, you will need to align the keyhole with the body of the lock in order to insert the key easily.
After the new cylinder has been installed, you'll need to screw it back into place. Use a screwdriver to accomplish this, and be careful not to cross-thread or strip the screw. Once the screw is in place, check the lock to determine if it's locked or not. If it's not, you may need to tighten the handle screws again.
UPVC door locks can suffer a lot of wear and tear, especially if they're used frequently. They can be susceptible to a myriad of issues, such as the lock handle failing to work or the key getting stuck inside the door lock. Fortunately, these problems can usually be fixed by adjusting the mechanism of the lock.
If your uPVC door's handle is loose try loosening the screws that hold it. If this doesn't fix the issue, contact an expert locksmith. They can fix or replace both the barrel and handle.
Although you may be tempted to change the cylinder on your uPVC door on your own but it's important to remember that only a qualified professional can do this job safely. If you are not a locksmith, you may end in causing damage to your entire system and compromising the security of your home.
It's also essential to check if you have a multi-point lock before you place an order for a replacement cylinder. These locks are commonly found on uPVC, aluminium and some wooden doors. These locks can be set in either hand. You'll need to choose the right replacement lock cylinder. They are typically bulb-shaped cylinders, with the key lock situated on the inside of the cam.
Install the lock
If you are looking to increase your uPVC door's security, changing the lock cylinder is a good solution. However, you must be aware of the risks associated with lock snapping and it is recommended to have a professional locksmith install the new locks. You will not need to worry about a burglar entering your home.
uPVC door lock problems are common, however the good news is that a lot of them can be resolved without having to replace the door or handle. Euro cylinders that do not move or are stuck are the most common issue. This could cause the key to stop functioning. In some cases, a simple adjustment is all that is required, and this can be done easily by anyone using the proper tools.
It is first important to identify the type of uPVC lock that is used to lock your door. This information is usually located on the label of the manufacturer near the foot or head of your door. Once you have the name of the company, you can look for a replacement. You should also take measurements of your cylinder to get the right size. You should measure from the central circular part of the keyhole to the middle of the spindle. This is the PZ measurement.

Once how to repair a upvc window lock have your measurements, you can purchase a uPVC handle that is the same dimensions and shape of your cylindrical. Be sure to match the length of the spindle as well, as this is what connects to the handle. After that, take off the handle from the old one and screw into your new one. Make use of pliers or a screwdriver to tighten the handle. Be cautious not to tighten too much since this could cause damage.
After the new handle is installed, you will need to screw the long screw back. It will take some time to ensure that the screw is exactly where it needs to be so that it doesn't fall on any object. Then, you can test your uPVC to verify that the lock is working correctly.