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How to Replace Door Locks

Door locks are the first security measure against unauthorized access to your home. Signs of wear and tear as well as instances like moving into a new house or break-ins, can necessitate the need to Replace door Lock 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 purchase the appropriate lock.

Deadbolt

Installing a deadbolt can be a excellent way to protect your door from intruders. The bolt extends into the strike plate on the doorframe when it is locked, making it much more difficult for a burglar to gain entry through the door. A single-cylinder deadbolt is activated with a key on the outside and the thumb-turn mechanism located on the interior. Deadbolts will only work when it is properly installed.

First, you'll need to determine if the door already has a hole for a deadbolt or if it needs to be bored out. Mark the location of the hole for the deadbolt on the exterior of the door by using the template supplied 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 the speedsquare to draw a straight line across the mark that you made for the bolthole.

Then, use a drill to bore out this spot until the hole extends to the opposite side of the door. It could take a few minutes. Sand the hole and the door edge to smooth it. At this point, it's a good idea to stain or paint your door.

When the door is open take off any screws visible on the deadbolt. This will reveal the front door lock replacement cost and rear assembly of the deadbolt, as well as its bolt inside. Then, remove the bolt and replace it by a new one to match the door hardware. The bolt is typically connected to a setplate that you have to remove. After that, you'll have to chisel the door frame to accommodate the strike plate.

If your strike plate is not in alignment it could be because the previous installer failed to mortise it properly, or a weatherstripping changed the strike position. You will need to re-mortise your strike plate and replace door lock perhaps even the deadbolt to fix this issue. Close and lock the deadbolt once you've completed this step. Test the deadbolt by closing and locking it after the bolt has been extended into the strike plate.

Knob

If the knob on your door is damaged it could make your business or home less secure. It may make it difficult to open or close the door, which is why it's a good idea to replace the knob. Replacing knobs is an easy DIY project and shouldn't take longer than 30 minutes to complete. Use a screwdriver or pliers to take off any knobs or handles. Be careful not to scratch other parts 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 when you turn it. To ensure that it operates properly it is important to select the knob and handle that match your existing doors. If you don't have a doorknob that is compatible, you will need to purchase a new one.

Before you begin replacing the knob, take a look at the knob that was previously used to determine which screws are that are holding it in place. If there aren't any screws then you can use the screwdriver to insert the cover plate between the screws plate hidden behind it.

After you've removed your old knob, examine it for signs of damage or rust. You'll need to clean it up if there are any scratches or marks however you don't need to do anything major if the knob is in good shape.

Install the new knob. First, examine the knobs you've chosen to ensure that you're picking out the right one for your composite door lock replacement. You'll need to choose one with an extending rod that is designed to lock with the rod mechanism of the second knob. After you've inserted the new knob into the hole then slide it into the latch.

Test the spring by pressing it down repeatedly. The latch should pop up every time. Then, you can install the new knob and connect it to the rod mechanism of the first knob. Thread the long screws of the interior doorknob through the holes for the cylinder on the exterior knob, and secure it in its place.

Latch

A latch is a steel piece that extends into the doorjamb in order to hold it closed. It is operated with a knob or handle on the inside of the patio door locks replacement or by a thumb turn on the outside side of the door. Deadbolts can be used to secure a latch and prevent intrusions from breaking through the glass of the door. It also provides protection from the accidental or deliberate closing of the door by children or pets. You can install a latch with either a single-cylinder or double-cylinder deadbolt depending on your preferred level of security.

Installing a latch follows the same steps similar to installing a deadbolt however, there are a few differences. 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 center of the hole to accommodate the faceplate of the latch. Standard setbacks are 2 3/8 to 2. 3/4 inches. If your setback is greater than that, you might need to purchase a latch that is longer from a hardware or locksmith store.

The next step is to drill an edge bore hole through the doorjamb to accommodate the latch plate. Use a chisel to chisel out the mortise for the latch and ensure it's deep enough to allow the faceplate of the new latch to be close to the doorjamb. Put the strike plate into the correct position to ensure it's placed correctly.

If the strike is too high, you could knock the door down or apply pressure with an iron tire or crowbar. This can cause the doorjamb's to crack. This can be fixed by drilling a new hole into the doorjamb and then removing the core from the old one.

Installing the new strike plate is the final step. This can be accomplished by screwing the new plate into the existing screwholes. Utilize wood putty to fill in any existing bolt holes or screw holes that aren't being used. After the putty is dry then sand it to a smooth finish.

Strike

The piece of metal that connects the latch and deadbolt when the door is closed is an electric strike. It is a vital part of the lock's overall safety because it prevents the composite door replacement lock from opening and provides an additional barrier to force or kick. If a door has been equipped with an electric strike, it will only be opened by a key or the control unit which controls the electrical impulses.

Traditionally the installation of an electric strike meant cutting out a portion of the doorjamb to release a cylindrical lock's latchbolt from the pocket of the strike. This modification is not just ugly however, it also exposes the latchbolt mechanism and the keeper to intruders.

Recently, a number of electric strike manufacturers have developed a brand new electric strike called the "No Cut" strike that doesn't need an opening in the doorjamb for operation. 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 is equipped with an internal ramp that raises the latchbolt and keeper when it receives an electrical impulse from a reader or controller. The keeper and latchbolt are pushed up the ramp by the retract. When the door is shut, the deadbolt remains in place and the latchbolt is retracted into the keeper.

Installing an electronic strike is a straightforward procedure, especially when you're replacing an older strike. If, however, you are upgrading to an electric strike for an access control system, you will have to ensure that your new system is compatible with the type of lock you have installed. You will also need to make sure that the strike is connected to your access control system and is configured for fail-safe operation.

One method to guard against intrusions by thieves is to upgrade the strike on your doors to a heavy-duty strike plate. The plates utilize four to six three-inch screws instead of the two three-fourth inch screws commonly used in standard strikes. The longer screws make breaking the frame to reach the thumb turn piece on a single deadbolt cylinder more difficult.