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Front Door Lock Barrel Replacement It is possible to change the front door lock barrel by yourself. This will save you money on the expense of hiring a locksmith. You can purchase kits that include all the tools you need. You'll need an entirely new barrel for cylinder-lock or a screwdriver that is reliable, a hammer, or pliers, for extra grip, and the lubricant. Length There are many lock barrels available to ensure your front door is as secure as possible. However, when choosing a new lock barrel type, the length of the cylinder could be critical to the security of your home. Cylinders that protrude too far are more likely to snap, while those that are too small can hinder you from turning your key to unlock the doors. There are a variety of methods to determine the right length of the cylinder, so that you can buy a replacement that will provide your door with the maximum security. To determine the proper size of the cylinder, take out the old one from the door. Remove the screws that hold the lock cylinder. After the cylinder is removed and you are able to determine the distance from the center of the screw hole in the cylinder to the edge of the backplate for the handle on the inside of the door. Be sure to include the thickness of the plate as well. You can also determine the cylinder size by measuring the length of the threaded spindle attached to the new cylinder. After determining the length of the cylinder you can then install it inside your door. Begin by drilling a hole into the door. This is where the knob or handle will go and should be slightly larger than the diameter of your new cylinder. Afterward, attach the interior handle or knob to the new handle, making sure that it passes through the latch's spindle and is able to turn smoothly when it is turned. If you're replacing a deadbolt, you should also consider upgrading your strike plate. www.repairmywindowsanddoors.co.uk is the metal piece that mounts to the doorjamb and locks into the bolt once it's forced in by a key. It's important to replace this plate with a high-security version that is less difficult to penetrate. Find a strikeplate with an reinforced metal construction to withstand kick attacks. Make sure to use screws that are at minimum 2.5-3 inches in length to ensure they are able to penetrate deep into the doorjamb. Design The lock cylinder is a part of the front door lock that you use to open or close the handle. It is made up of pins that move into place when you insert keys. It is important to be aware of certain things when choosing the right lock cylinder. It's important, for example to determine the length of your cylinder locks that you have in place to ensure that you order the right size. It is also important to think about any door furniture like handles and escutcheons. Euro Cylinder locks are available in a variety of styles. Some of these double cylinder locks offer security on both sides of the doors. They are typically used on doors that require more security than regular locks, and also in some commercial buildings. Check that the lock you are viewing is British Standards approved, and is in compliance with these requirements: Anti-Snap – A burglar could attempt to snap a cylinder by applying pressure to the exterior of the door. To prevent this from happening, a thin sacrificial strip should be cut into the cylinder. Anti-Drill: Some burglars are able to cut holes in the lock to gain entry into a home. To prevent this the pins on a cylinder must be made of hardened metal. If you're looking for a new cylinder, then you should also consider whether it's anti-drill. This will prevent a burglar from drilling into the plug using an electric drill and then breaking it apart. Once you've decided on the cylinder lock you want, you will have to gather all the components you'll need to install it. This includes a screwdriver appropriate for the job, along with an hammer and pliers to provide an extra grip. It's also a good idea to have lubricant on hand to ensure the mechanism is working smoothly. Before you begin, keep in mind that changing a lock barrel on a uPVC door can be a challenge. If you're not sure about the job, it is best to contact a professional or locksmith for help. Keyway Keyway is the shape that the interface between the cylinder pins and the key has. The key has a series of ridges and grooves which extend along the length of its “blade” and, when it is inserted, they align with the cutouts on the cylinder's pins. The cylinder will only move if it is sure that it is the correct one. Each brand of lock has a different keyway, allowing it to be locked or unlocked with the use of a specific key. Within a single brand there are different keyway styles and sizes to choose from. This allows for a level of security between different locks, as keys from the same brand can't be used to unlock each other's. In most homes, the latch is operated by a lever that can be lifted or pushed to let loose the bolt. This is more comfortable than the knob that needs to turn. Some commercial settings still use knobs for security. When the correct key has been inserted, the spring-loaded pins move into a position that allows the plug to be rotated. The pins align with grooves on the blade of the key which allows the lock to recognize the correct key. If the key or cylinder is not inserted correctly, the pins will move to the control shear rather than the operating line. The lock won't open. In this instance it is likely that the key cylinder has been changed. This involves moving the pins up to the proper height so that the key rotates freely within the cylinder. This is typically the case in dormitories where the key for one person could require a move between multiple locks. It's not uncommon for individuals to change their locks when they move houses or if they want to allow access to an employee or roommate without having to change all locks to the same key. This is a cost-effective approach to increase the security of a home. It can be accomplished by simply changing the key to the cylinder. Installation Removing a barrel lock on uPVC doors is a simple task that can be completed at home. The first step is to locate the screw underneath the lock near the edge of the door made of uPVC. It will usually be noticeable because it is an unusual colour. Then, remove it using an Phillips screwdriver. Then, insert the new barrel into the last slot. Then replace the knob with the push rod and barrel. Before reassembling, it is crucial to ensure that each part is oriented correctly (the barrel and push rod as well as the spring/lever housing). With an screwdriver, you can easily remove the handle and knob to gain access to the lock body. The cylinder can be removed by turning it counterclockwise. You can now either remove the cylinder and have it “re-keyed” or leave it in place. Re-keying won't change the pins of the cylinder. It will only move them into the proper position with the key that matches. Another alternative is to remove the cylinder and replace it with another. If you choose this option it is essential to use the same size as your old cylinder and make sure that the pins are positioned properly to allow the lock to function correctly. It is also an excellent idea to use the lubricant on your new cylinder after installing it to ensure that everything moves smoothly. The process can be a little more difficult if you have a mortise set. This kind of lock is installed in a pocket (mortise) that is cut into the side of the door. It will require some careful measuring and maybe a few tries to get the latch and bolt sections to align. When the bolt and latch sections are aligned, you can remove the strike plate, which is held in place on the sides and the bottom of your door frame with screws.