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How to Replace Door Locks Door locks are your first security measure against unauthorized entry into your home. The signs of wear and tear, and even instances such as moving into a new home or break-ins, can necessitate the necessity of replacing your lock. To begin, you must determine your cylinder size by measuring the distance between the adjustment screw and the center of the knob lock cylinder. This measurement will allow you to buy the right lock. Deadbolt Installing a deadbolt is a excellent way to protect your door from burglars. upvc door locks replacement repairmywindowsanddoors.co.uk extends into the strike plate on the door frame when it's locked, making it more difficult for a burglar to gain entry into the door. A single cylinder deadbolt is activated by an exterior key on the side and a thumb turn device on the inside. Deadbolts will only work if it is installed correctly. It is first necessary to determine if the door has a hole that is suitable for a deadbolt, or if you'll need to drill it. Mark the position of the hole for the deadbolt on the surface of the door by using the template supplied with the lock installation set. Then, use your tape measure to determine how high the deadbolt needs to be. Mark this height on the door edge. Use a speedsquare to draw a straight line across the mark you made for the bolt hole. Then using the power drill, drill through the hole until it is on the opposite side of the door. This may take some time. Sand the hole and the door edge to make it smooth. It's also an excellent idea 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, as well as the bolt that is inside. Then, loosen the bolt and replace it with a brand new one that is compatible with the door hardware. The bolt is often connected to a setplate that you need to unbolt. After that then you need to chisel out the area for the strike plate on the door frame. If your strike plate is out of alignment, it could be because the previous installer didn't mortise it properly, or an installation of a weatherstripping altered the strike position. To correct this issue, you will need to remortise both the strike plate and the deadbolt. Once you have completed this Test the deadbolt by closing it and locking it. Test the deadbolt by closing it and locking it once the bolt has been extended into the strike plate. Knob If the knob on your door is damaged it could make your home or business less secure. It can also make opening and closing the door more difficult, so it is a good idea for you to replace it. It shouldn't take you more than 30 minutes. Make use of pliers or a screwdriver to remove any knobs or handles. Be cautious not to damage the other components of the door. Spray WD-40 or another dry lubricant, onto the mechanism of your door knob prior to you begin. This will help the new lock slide smoothly when you turn it. It's important to use an excellent knob and handle that matches the doors you currently have to ensure that the lock is operating properly. If you don't already have a doorknob that is compatible, you will need to purchase a new one. Before you begin the replacement process, examine the old knob to determine which screws are keeping it in place. If there are no screws, you can use the screwdriver to insert the cover plate into the hidden screws plate. After removing the old knob, inspect it for evidence of damage or rust. It's important to clean it off if you notice any marks or dents, but you shouldn't have to do anything If the knob is in good condition. Install the new knob. It is important to first look over the two knobs in order to make sure that you've selected the appropriate one for your door. You'll need to choose one with an extended rod that will interlock with the rod mechanism of the second knob. Once you've positioned the new knob over the door's hole, carefully place it in the latch. Thread the latch plate screws downwards and test the spring by pressing down on it repeatedly. The latch should rise each time. Then, put in the new knob and connect it to the rod mechanism on the first knob. Thread the long screws of the interior doorknob through the holes for the cylinder on the exterior knob and lock it into the knob's position. Latch A latch is a metal piece that extends into the doorjamb to secure it closed. The latch can be operated via a knob or handle on the inside of the door, or by a thumb-turn on the outside. A latch can be secured by deadbolts to prevent intruders from breaking in through the glass. It can also guard against accidental or intentional closing by children or animals. It is possible to install an entry point with either a single-cylinder or double-cylinder deadbolt based on your preferred level of security. Installing a deadbolt can be the same as installing a latch however, there are some distinctions. To make sure that the new lock is compatible, first measure the setback on the doorjamb with the tape measure. The setback is measured from the edge of doorjamb all the way to the center of hole for the latch plate. Setbacks for standard latches are 2 3/8 to 2. ¾ inches. If your setback is higher it is possible to purchase a latch that is larger from a locksmith or hardware store. Then, you'll need to drill a hole for the latch plate into the doorjamb's edge. Use a chisel and cut the mortise of the latch. Make sure the depth is enough for the faceplate to be flush with the doorjamb. Place the strikeplate on the floor to ensure it is positioned properly. If the strike is set too high, the door could be kicked in or pressure imposed on it using a crowbar or tire iron. This can cause cracks to the doorjamb. This can be fixed by drilling a new hole into the doorjamb, then cutting the core from the hole that was previously made. Installing the new strike plate is the last step. This can be done by screwing the new plate into the screw holes that are already in place. Then apply wood putty to fill in the screw holes that were previously used and the bolt hole that won't be used. Once the putty has dried then sand it to a smooth finish. Strike The piece of metal that connects the latch and deadbolt when the door is shut is an electric strike. It is an essential part of the lock's overall safety because it prevents the door from opening and gives an additional barrier to force or kick. If a door has been equipped with an electric strike, it can be opened with a key or the control unit that controls its electrical impulses. In the past, installing an electronic strike was as simple as cutting a piece of a doorjamb, which would release the latchbolt of a cylindrical lock from the pocket within the strike. This is a drawback when it comes to the appearance of an opening, and it also exposes the mechanism of the latchbolt and keeper to unauthorized users. Recently, a number of electric strike manufacturers have developed a brand new electric strike dubbed the “No Cut” strike that doesn't require cutouts in the doorjamb to function. These strikes use a special design that allows the latchbolt and keeper to slide into the pocket without damaging the faceplate of the doorjamb. The strike has an internal ramp that lifts the latchbolt and keeper whenever it receives an electrical signal from a controller or reader. The keeper and latchbolt are pushed up the ramp due to retraction. When the door is closed, the deadbolt is retracted and the latchbolt retracts into the keeper. Installing an electric strike is a simple process, especially in the case of replacing the strike on a previous door. If you're upgrading an existing access control system to an electric strike, it is important to ensure that your new system is compatible. Also, you must make sure that the strike is properly wired to your access control system and that it is set up for fail-safe operation. One way to protect against access by unauthorized persons is to upgrade the strike on your doors to a robust strike plate. These plates are fitted with four to six three-inch screws instead of the two, three-fourth inch screws commonly employed in regular strikes. These screws are longer and make breaking the frame to reach the piece that turns the thumb on a single deadbolt for a cylinder more difficult.