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How to Replace Door Locks

Door locks are your primary security measure against unauthorized entry into your home. Signs of wear and tear, as well as instances like moving into a new home or burglaries, may trigger the need to replace your lock.

To begin, you must determine the size of your cylinder using the distance between the adjustment screw and the center of the cylinder knob. This measurement will allow you to purchase the right-sized lock.

Deadbolt

Installing a deadbolt can be a ideal way to secure your door from intruders. The bolt extends into the strike plate that is on the door frame when it's locked, making it more difficult for a burglar to gain entry through the door. A single cylinder deadbolt can be activated with keys on the exterior side and a thumb turn device on the interior. A deadbolt is only effective only if it's correctly installed, though.

You will first need to determine whether the door already 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 exterior of the door using the template that came with your lock installation set. Utilize your tape measure to determine the height of the deadbolt. Mark this high point on the door's edge. Use speedsquares to draw a straightline across the mark you made for the bolthole.

Next, use a power drill to drill this area until the hole is on the opposite side of the door. This could take a while. Sand the hole and the door edge to make it smooth. At this point, it's a good idea to stain or paint your door.

When the door is open remove any screws that are visible on the deadbolt. This will reveal the back and front assemblies of the deadbolt, and also the bolt inside. Remove the bolt and replace it by an alternative bolt that matches the door hardware. You'll need to remove the bolt from a setplate. Then, you'll need to chisel the area on the door frame to accommodate the strike plate.

If your strike plate is not aligned, it's likely because the previous installer didn't mortise it correctly or a weatherstripping was installed and changed the strike's position. You will need to re-mortise the strike plate and possibly even the deadbolt to fix the issue. Close and lock the deadbolt once you've completed this process. Make sure the bolt extends into the strike plate, and then test the key to ensure it is able to open and close easily.

Knob

If the knob on your upvc door locking mechanism replacement wears out, it can make your business or home less secure. It may make it difficult to open or close the door, so it's recommended to replace door lock it. It shouldn't take more than 30 minutes. You can use a screwdriver or pliers to remove the old knob or handle However, be careful not to harm any of the other components on the door.

Before you start you'll need to spray WD-40 or some other dry lubricant onto the mechanism of the knob for your door. This will help the new lock to slide smoothly as you turn it. To ensure that it operates properly it is important to select the knob and handle that match the doors you already have. If you don't already have a matching doorknob then you'll have to purchase a new one.

Before you begin the replacement upvc door lock, look over the knob you replaced to see what screws are keeping it in place. If there aren't screws then you can use the screwdriver to wedge the cover plate into the screws plate hidden behind it.

After taking the knob off, inspect it for signs of rust and damage. You'll have to scrub it off if there are any scratches or dents, but you shouldn't have to do anything major when the knob is in good working order.

Install the new knob. First, examine the knobs you've chosen to make sure that you're picking out the right one for your door. You'll need to pick one with an extended rod that locks with the rod mechanism of the other knob. Once you've positioned the new knob over the door's hole carefully slide it into the latch.

Test the spring by pressing it down repeatedly. The latch should rise each 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 holes for the cylinder on the outside knob and fix it in place.

Latch

A latch is a steel piece that extends out into the doorjamb in order to hold it closed. The latch is operated via a knob or handle located inside the door, or by a thumb-turn on the outside. Deadbolts can be used to secure a latch and prevent burglars from piercing the glass of the door. It also helps protect against the accidental or deliberate closing by children or animals. A latch can be set using one cylinder deadbolt or double cylinder deadbolts based on the level of security you prefer.

Installing a latch involves the same steps as installing a deadbolt, however, there are a few variations. To ensure that the new lock will work, first determine the setback of the doorjamb with a tape measure. The setback is the distance from the edge of the doorjamb to the middle of the hole for the faceplate for the latch. A standard setback is 2 3/8 to 2 3/4 inches. If you have a greater setback, you may have to purchase a longer latch at a hardware store or locksmith.

Next, make a hole for the latch plate at the edge of the doorjamb. Use a chisel for chiseling out the latch mortise, making sure it's deep enough for the faceplate of the new latch to sit flush with the doorjamb. Place the strikeplate on the floor to ensure it is positioned correctly.

If the strike is positioned too high, the upvc door lock replacements can be kicked in or pressure applied to it using a crowbar or tire iron. This can also cause the doorjamb to crack. To fix this issue, the strike can be reduced by drilling a second hole through the doorjamb, and then chiseling out the core of the previous hole.

The final step is to install the new strike plate which can be done by screwing it in place over the existing screw holes. Then you can use wood putty to fill in the screw holes that were previously used and the bolt hole that is not used. After the putty is dry then sand it to an even finish.

Strike

An electric strike is a metal piece where the deadbolt and latch engage when the door is shut. It is a crucial component of the security of a lock, as it seals the door and provides extra resistance to kicking or force applied to the door. If a door is equipped with an electric strike, it will only be opened with an entry key or the control unit that governs the electrical impulses.

Traditionally, installing an electric strike required cutting a section of the doorjamb to remotely remove the latchbolt of a circular lock from the pocket within the strike. This is an issue when it comes to the appearance of an opening, and it also exposes the keeper mechanism and latchbolt to unauthorized users.

Recently, several electric strike makers have come up with a new type of electric strike, dubbed the "No Cut" strike that doesn't need a cutout in the doorjamb to function. These strikes utilize a special design that allows the latchbolt and keeper to slide into the strike pocket without marring the doorjamb faceplate.

The strike has an internal ramp that lifts the latchbolt and keeper when it receives an electrical signal from a controller or reader. The retracting of the keeper as well as latchbolt causes them to rise on the ramp, thereby locking the door. When the door is closed the deadbolt remains retracted, and the latchbolt retracts into the keeper.

Installing an electronic strike is a straightforward procedure, particularly if you're replacing patio door lock an existing strike. 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 kind of lock you've chosen to install. Also, you must ensure that the strike is connected to your access-control system and set up to function in a fail-safe way.

Upgrade your strike plates with heavy duty strike plates to stop unauthorized entry. These plates are fitted with four to six screws of three inches instead of the two, three-fourth inch screws typically used in standard strikes. The longer screws make breaking the frame to reach the piece that turns the thumb on a single cylinder deadbolt more difficult.