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How to Replace Door Locks Your first line of defense is your door lock. It will prevent unauthorized access into your home. The locks may need to be replaced due to signs of wear and tear, or other situations such as moving into a new residence or a break-in. You can determine the size of your cylinder by measuring the distance from the center of the knoblock cylinder to the adjustment screw. This measurement will allow you to buy the right lock. Deadbolt Installing a deadbolt can be a great way to secure your door from intruders. When the bolt is extended into the strike plate of the doorframe, it makes it more difficult for an intruder to get through the door. A single cylinder deadbolt can be activated with a key on the exterior side and a thumb turn piece on the inside. A deadbolt will only work only if it is correctly installed. You will first need to determine if the door has an existing hole for a deadbolt, or if you have to drill it. With the template included with the lock installation kit, mark the spot of the deadbolt's hole on the door's surface. Use your tape measure to determine the height of the deadbolt. Then, mark the high point on the outside of the door and use a speed square to draw straight lines across the mark you made for the bolt hole. Then by using the power drill, drill through the hole until it reaches the opposite side of the door. This could take a while. Then, sand down the hole and along the edge of the door until it's smooth. At this point, it's a good idea to stain or paint your door. Once the door is ready remove any screws that are visible on the existing deadbolt. This will reveal both the rear and front assembly of the deadbolt, as well as its internal bolt. Then, remove the bolt and replace it with an alternative bolt that matches the door hardware. You'll need to remove the bolt from the setplate. Then, you'll need to chisel the door frame for the strike plate. If your strike plate is not in alignment, it could be because the previous installer didn't mortise it properly or that an installation of a weatherstripping altered the strike's position. To fix this issue, you will need to remortise both the strike plate as well as the deadbolt. Close and lock the deadbolt when you've completed this process. Test the deadbolt by closing it and locking it once the bolt has been extended into the strike plate. Knob It could make your home or business less secure when the door knob is damaged. It could make it difficult to open or close the door, so it's an ideal idea to replace it. It shouldn't take you more than 30 minutes. Make use of pliers or a screwdriver to remove any old knobs or handles. Be careful not to scratch other components of the door. Spray WD-40 or another dry lubricant on the mechanism of your door knob before you begin. This will allow the new lock to slide smoothly as you turn it. It is essential to choose a quality knob and handle that matches your current doors to ensure that the lock is operating properly. If you don't already have a doorknob that matches and handle, you'll need to purchase a replacement. To begin the replacement process, look at the knob or handle to determine what screws hold it in place. If there aren't any screws you can make use of a screwdriver and wedge it between the cover plate and the hidden screws plate and then remove it. Once you've removed the knob, check it for signs of damage or rust. You'll have to scrub it off if you notice any scratches or dents, but you shouldn't have to do anything if the knob is in good condition. Install the new knob. You should first examine the two knobs to ensure that you've chosen the right one for the door. You'll want to pick one with an extended rod designed to interlock with the second knob's rod mechanism. Once you've put the new knob in the hole then slide it into the latch. Test the spring by pressing it down repeatedly. The latch should spring back up each time. Install the second knob and lock it to the rod mechanism of the first knob. Thread the long screws of the interior doorknob through the cylinder holes on the outside knob and fix it in place. Latch A latch is a piece of metal that extends into the doorjamb to secure it closed. The latch is operated either by a knob or handle on the inside of the door, or by a thumb-turn on the outside. A latch can be secured using deadbolts to stop thieves from breaking through the glass. It also protects against the accidental or deliberate closing of the door by pets or children. You can install an entry point with either a single-cylinder deadbolt or double-cylinder deadbolt depending on the level you prefer for security. Installing a deadbolt is the same as installing a latch however, there are some distinctions. To make sure that the new lock will work, first take a measurement of the setback on the doorjamb using an instrument such as a tape measure. The setback is the distance from the edge of the doorjamb to the center of the hole to accommodate the faceplate for the latch. A typical setback is 2 3/8 to 2 ¾ inches. If you have a higher setback, you may have to purchase a more substantial latch from a hardware shop or locksmith. The next step is to drill an edge bore hole into the doorjamb to accommodate the latch plate. Utilize a chisel to smooth out the latch mortise and ensure it's deep enough for the faceplate of the new latch to be flush with the doorjamb. Tape the strike plate in place to make sure it's placed correctly. If the strike is too high, you could push the door back or apply pressure with an iron tire or crowbar. This can also crack the doorjamb. To remedy this, the strike can be lowered by drilling another hole through the doorjamb, and then chiseling out the core of the hole that was previously drilled. The last step is to mount the new strike plate which can be done by screwing it over the existing screw holes. Utilize wood putty to fill in any old screw holes or bolt holes that aren't being used. After the putty has dried then sand it to a smooth finish. Strike The metal piece that engages the latch and deadbolt when the door is shut is an electric strike. It is an important part of the security of a lock, since it keeps the door shut and offers additional resistance to kicking or force applied to the door. If a door has been equipped with an electric strike, it can only be opened using an entry key or the control unit that controls the electrical impulses. In the past, installing an electronic strike required cutting a portion of a doorjamb in order to let the latchbolt of a cylindrical lock from the pocket inside the strike. This change can be an inconvenience when it comes to the appearance of an opening as well as exposing the mechanism of the latchbolt and keeper to unauthorized users. Recently, front door locks replacement rotherham have come up with an innovative type of electric strike, dubbed the “No Cut” strike that doesn't need an opening in the doorjamb to function. The strikes have a unique design that allows the latchbolt and keeper to slide into the pocket without damaging the faceplate of the doorjamb. The strike is equipped with an internal ramp that raises the latchbolt and keeper whenever it receives a signal from a reader. The retracting of the keeper and latchbolt pushes them up higher on the ramp, locking the door. When the door is closed the deadbolt remains in retracted and the latchbolt retracts into the keeper. Installing an electric strike is an easy task, especially in the case of replacing a strike on an existing door. However, if you're upgrading to an electric strike in an access control system, you will be required to ensure that the new system is compatible with the model of lock you've chosen to install. It is also necessary to ensure that the strike is properly connected to your access control system and that it is designed to operate in a fail-safe manner. One way to safeguard against access by unauthorized persons is to upgrade the strike on your doors to a high-quality strike plate. These plates use up to six screws of three inches instead of two screws of three-fourths of an inch. These longer screws make it harder for someone to break the frame and then reach inside to turn the thumb turn part of a single deadbolt cylinder.