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How to Replace Door Locks

The first security measure is your door lock. It will stop unauthorized access into your home. Locks may need to be replaced due to wear and tear, or other situations such as moving into a new house or a burglary.

To begin, determine the size of your cylinder by measuring the distance between the adjustment screw and the center of the knob lock cylinder. This measurement will allow you to purchase the appropriate lock.

Deadbolt

If you want to make sure your door is secure against criminals, it's a great idea to install a deadbolt. When the bolt is extended into the strike plate of the doorframe, it makes it harder for an intruder through the door. A single-cylinder deadbolt can be activated with a key on the exterior and a thumb-turn device that is located inside. A deadbolt is only effective only if it's correctly installed however.

First, you'll need to find out if the door has a hole for a deadbolt or if it has to be bored. Mark the position of the hole for the deadbolt on the surface of the door using the template that came with the lock installation set. Use a tape measure to determine the height of the deadbolt. Then, mark this height on the edge of the door. You can then use a speed square to draw a straight line across the mark you made for the bolt hole.

Then by using an electric drill, bore through the hole until it reaches the opposite side of the door. This could take a bit of time. Then, sand the hole and the edges of the door until it's smooth. It's also an excellent idea to stain or paint the door at this point.

Remove any visible screws from the deadbolt. This will reveal the back and front assemblies of the deadbolt, as well as the internal bolt. Then, remove the bolt and Replace Door lock it with a new one that is compatible with your door hardware. You'll need to remove the bolt from a setplate. After this is done then you need to chisel the area for the strike plate that is on the door frame.

If your strike plate is not aligned it's likely that the previous installer didn't properly mortise it or a weatherstripping came along and changed the strike's position. You'll need to re-mortise the strike plate and perhaps even the deadbolt to correct this problem. Close and lock the deadbolt after you have completed this step. Make sure the bolt is extending into the strike plate then test the key to make sure it opens and closes smoothly.

Knob

If a door knob is damaged, it can make your home or business less secure. It could make it difficult to open or close the door, which is why it's an ideal idea to replace it. It shouldn't take you more than 30 minutes. Use pliers or a screwdriver to remove any old knobs or handles. Be careful not to harm other parts of the door.

Spray WD-40, or replace door lock another dry lubricant, onto the mechanism of your door knob before you begin. This will help the new lock to slide smoothly as you turn it. It is essential to choose an excellent knob and handle that match the patio doors locks replacement you currently have to ensure that the lock is operating properly. If there's no match you'll need to purchase a replacement lock for upvc door doorknob and latch plate.

Before you begin the replacement process, look over the knob you replaced to determine which 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 screws plate hidden and remove it.

After you've removed the knob, check it for indications of damage or rust. If the knob has any scratches or marks, you'll have to clean it. Otherwise it shouldn't need any major work.

Install the new knob. First, examine the two new knobs to ensure that you're choosing the right one for your door. You'll need to select one with an extender rod that is interlocked with the rod mechanism of the other knob. Once you've put the new knob into the hole, slide it into the latch.

Thread the latch plate screws down and test the spring by pressing down on it several times. The latch should then spring back up every time. Install the second knob, and lock it to the rod mechanism of the first knob. Attach the other long screws from the interior knob through the cylinder hole on the doorknob on the outside and lock it in place.

Latch

A latch is a piece of metal that extends into the doorjamb to hold it closed. The latch is operated either by a knob or handle on the inside of the composite door lock replacement, or a thumb-turn on the outside. The latch can be secured by a deadbolt to keep thieves from breaking through the glass of the door. It also protects against the accidental or deliberate closing of the door by pets or children. A latch can be set using a single cylinder deadbolt or double cylinder deadbolts depending on the security level you prefer.

Installing a latch follows the same steps as installing a deadbolt, however there are some variations. To make sure that the new lock is compatible, first measure the setback on the doorjamb using an instrument such as a tape measure. The setback is measured from the edge of the doorjamb all the way to the center of hole for the latch plate. A typical setback is 2 3/8 to 2 3/4 inches. If your setback is larger than that, you might need to purchase a latch that is larger from a locksmith or hardware store.

The next step is to drill an edge bore hole in the doorjamb for the latch plate. Use a chisel and chisel the latch mortise. Make sure that the depth is sufficient for the faceplate to be flush with the doorjamb. Tape the strikeplate in place to ensure it's placed correctly.

If the strike is placed too high, the door can be kicked in or pressure put on it with a crowbar or tire iron. This can cause the doorjamb's to crack. To remedy this issue, the strike can be reduced by drilling a second hole through the doorjamb, and then chiseling out the center of the old hole.

The last step is to put in the new strike plate, which is done by screwing it in place over the existing screw holes. Then apply wood putty to cover the holes from the previous screws and the bolt hole that will not be used. After the putty is dry, sand it to an even finish.

Strike

An electric strike is the metallic part where the deadbolt and latch are engaged when the door is closed. It is a crucial component of a lock's overall security, as it keeps the door shut and provides extra resistance to force or kicks applied to the door. If a door has been equipped with an electric strike, replace Door lock it will only be opened using keys or the control unit that controls its electrical impulses.

In the past, putting in an electronic strike was as simple as cutting a portion of a doorjamb to release the latchbolt of a cylindrical lock from the pocket within the strike. This is not only ugly, but also exposes the latchbolt mechanism and keeper to unauthorized users.

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

The strike has an internal ramp that raises the latchbolt and keeper when it receives an electrical impulse from a controller or reader. The retraction of the keeper and latchbolt pushes them up higher on the ramp, locking the door lock replacement. When the door is shut the deadbolt remains at a lower position and the latchbolt retracts into the keeper.

Installing an electric strike can be an easy process, particularly when you are replacing the strike on a previous door. If you're planning to upgrade an existing access control system to an electric strike, it is important to ensure that the new system is compatible. You will also have to make sure that the strike is properly connected to your access-control system and is configured to function in a safe manner.

One method to guard against access by unauthorized persons is to upgrade the strike on your doors to a heavy-duty strike plate. The plates are made of up to six screws of three inches instead of the usual two screws of three-fourths inch. The longer screws make it difficult for anyone to break the frame and reach inside to turn the piece that turns the thumb of a single cylinder deadbolt.