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How to Replace Door Locks The first line of defense is your door lock. It will stop unauthorized access into your home. Signs of wear and tear as well as instances like moving into a new residence or break-ins, can necessitate the need to replace your lock. 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 lock that is right for you. Deadbolt If you want to make sure your door is safe from criminals, it's a great idea to install deadbolts. When the bolt is extended into the strike plate of the doorframe, it makes it much more difficult for an intruder to break through the door. A single-cylinder deadbolt is activated by a key located on the outside and a thumb-turn piece situated inside. Deadbolts will only work only if it is correctly installed. First, you'll need to determine if the door already has a hole for deadbolts, or if it needs to be bored out. With the template included with the lock installation kit mark the spot of the deadbolt's hole on the door's surface. Utilize your tape measure to determine the height of the deadbolt. Then, mark this height on the edge of the door and use a speed square to draw a straight line across the mark you made for the bolt hole. Next, use a power drill to drill this spot until the hole is on the other side of the door. This could take a while. Sand the hole and the door edge to make it smooth. It's also recommended to paint or stain the door at this point. Remove any screws that are visible from the deadbolt. This will reveal the back and front assemblies of the deadbolt, and also the bolt that is inside. Then unscrew the old bolt and replace it with an alternative bolt that matches your door hardware. The bolt is often connected to a setplate which you'll need to unscrew. Once this is done it is time to cut out the space for the strike plate on the door frame. If your strike plate isn't aligned properly, it's likely because the previous installer didn't correctly mortise it or a weatherstripping popped up and changed the strike's position. To fix this problem, you will need to remortise the strike plate and the deadbolt. Close and lock the deadbolt once you've completed this step. Be sure the bolt extends into the strike plate and then test the key to make sure it opens and closes effortlessly. Knob If the knob on your door is worn out, it can make your home or business less secure. It may make it more difficult to open or close the door, which is why it's a good idea to replace the knob. Replacing the knob is an easy DIY project and shouldn't take more than 30 minutes to complete. You can use a screwdriver and pliers to remove the old knob or handle, but be careful not to harm any of the other components on the door. Before you begin you'll need to spray WD-40 or a different dry lubricant onto the mechanism of the knob on your door. This will assist the new lock to slide smoothly as you turn it. It is essential to choose the best knob and handle that match your current doors to ensure that the lock is operating properly. If you don't have a match, you'll need to buy an additional doorknob and latch plate. Before you begin the replacement, examine the old knob to determine what screws are holding 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 plate with hidden screws and then remove it. After you have removed the knob, inspect it for signs of rust and damage. It's important to clean it off if there are any scratches or dents however you don't need to do anything when the knob is in good condition. Now is the time to put in the new knob. First, examine the knobs you've chosen to make sure that you're choosing the right one for your door. You'll need to pick one with an extender rod that locks with the rod mechanism of the other knob. Once you've put the new knob in the door's hole, carefully slide it into the latch. Test the spring by pressing it repeatedly. The latch should spring up every time. Install the second knob and secure it to the rod mechanism of the first knob. Thread the long screws of the doorknob's interior through the cylinder holes on the outside knob and fix it in place. Latch A latch is a steel piece that extends out into the doorjamb to secure it closed. The latch is operated either via a knob or handle located inside the door, or by a thumb-turn on the outside. The latch can be secured using deadbolts to stop thieves from breaking through the door's glass. It can also protect against the accidental or deliberate closing by animals or children. A latch can be installed with a single cylinder deadbolt or double cylinder deadbolts, depending on the security level you prefer. Installing a deadbolt is the same as installing a latch, however, there are some distinctions. To ensure that the new lock will fit, first measure the setback on the doorjamb using a tape measure. The setback is the distance from the edge of the doorjamb, to the center of the hole for the faceplate of the latch. Setbacks for standard latches are 2 3/8 to 2. ¾ inches. If your setback is higher than that, you might need to purchase a latch that is longer from a locksmith or hardware store. The next step is to drill an edge bore hole through the doorjamb for the latch plate. Utilize a chisel to cut the mortise of the latch. Make sure the hole's depth is sufficient for the faceplate to be in line with the doorjamb. Place the strikeplate on the floor to ensure it's placed correctly. If upvc door locks replacement ilford is positioned too high, the door could be kicked in or pressure applied to it with a crowbar or tire iron. This can also cause the doorjamb's to crack. This can be fixed by drilling a new hole into the doorjamb, then chiseling the core out of the previous one. The last step is to mount the new strike plate, which can be accomplished by screwing it in place over the existing screw holes. Use wood putty afterwards to fill in any existing holes for screws or bolts that won't be used. Once the putty has dried you can sand it until it has a smooth finish. Strike An electric strike is the metal piece that holds the latch and deadbolt engage when the door is shut. It is a crucial component of a lock's overall security, as it keeps the door shut and offers additional resistance to kicking or force applied to the door. If a door is equipped with an electronic strike, it will be opened by using keys and the control unit that regulates the electrical impulses. In the past, installing an electronic strike required cutting off a part of a doorjamb to release the latchbolt of a cylindrical lock from the pocket within the strike. This modification can be a drawback in regards to the appearance of openings as well as exposing the mechanism of the latchbolt and keeper to unauthorized users. Recently, a variety of electric strike manufacturers have come up with a “No Cut” type of strike that does not require a cutout in order to operate. These strikes have a unique design to allow the keeper and latchbolt to slide into the strike pocket without marring the doorjamb faceplate. The strike has an internal ramp that lifts the keeper and latchbolt when it receives an electrical impulse from a reader or controller. The latchbolt and keeper are pushed on the ramp thanks to the retraction. When the door is closed the deadbolt is retracted and the latchbolt retracts into the keeper. Installing an electronic strike is a straightforward process, particularly when you're replacing an older strike. If you are upgrading an access control system to an electric strike, you must ensure that your new system is compatible. Also, you must ensure that the strike is connected to your access control system and is set up to function in a fail-safe manner. Upgrade your strike plates to high duty strike plates to block unauthorized entry. These plates can be fitted with up to six screws of three inches instead of the standard two screws of three-fourths inch. The longer screws make it harder for people to break the frame and reach inside to turn the thumb turn piece of a single deadbolt cylinder.