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How to Replace Door Locks

Your first line of defense is your door lock. It will stop unauthorized access to your home. The signs of wear and tear as well as instances like moving into a new house or burglaries, may trigger the necessity of replacing patio door lock your lock.

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're looking to ensure that your door is secure against burglars, it's a good idea to install a deadbolt. The bolt extends into the strike plate that is on the doorframe when locked, making it much more difficult for a burglar to gain entry into the door. A single-cylinder deadbolt is activated using a key on the exterior and a thumb-turn piece that is located inside. Deadbolts can only function only if it is correctly installed.

First, you'll need to determine if the door has a hole for deadbolts, or if it needs to be bored out. Mark the location of the hole for the deadbolt on the surface of the door using the template included with your lock installation kit. Use a tape measure to determine the height of the deadbolt. Mark this height on the door edge and use speedsquares to draw a straight line across the mark that you made for the bolt hole.

Then, using a power drill, bore out the hole until it reaches the opposite side of the door. It could take a few minutes. Sand the hole and the edge of the door to make it smooth. It's also a good idea to paint or stain the door at this point.

Remove any screws that are visible from the deadbolt. This will reveal the front and back assemblies of the deadbolt, and also the bolt that is inside. Then, remove the bolt and replace door lock (Read This method) it with a new one that is compatible with your door hardware. The bolt is typically connected to a set plate, which you will need to unbolt. Then, you'll need to chisel the surface of the door frame for the strike plate.

If your strike plate is not aligned it's likely that the previous installer didn't mortise it correctly or a weatherstripping came along and altered the strike position. It is necessary to re-mortise the strikeplate and possibly even the deadbolt itself to correct this problem. After this is done check the deadbolt by closing it and locking it. Be sure the bolt extends into the strike plate then test the key to ensure it closes and opens smoothly.

Knob

If the knob on your door is damaged, it can make your business or home less secure. It can also make opening or closing the door more difficult, which is why it's a good idea for you to replace it. Replacing the knob is an easy DIY task that should not take more than 30 minutes to complete. Use pliers or a screwdriver to remove any old knobs or handles. Be cautious not to harm 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 move smoothly when you turn it. It's essential to select an excellent knob and handle that match your current doors to ensure proper operation. If you don't have a match then you'll have to purchase a replacement doorknob and latch plate.

Before you begin the replacement process, examine the old knob to determine which screws are holding it in place. If there aren't any screws, replace door lock you can use the screwdriver to wedge the cover plate between the hidden screws plate.

After you've removed your old knob, examine it for any indications of damage or rust. You'll have to scrub it up if there are any marks or dents, but you shouldn't have to do anything when the knob is in good condition.

Install the new knob. First, examine the new knobs to make sure that you're selecting the correct one for your door. You'll need to pick one with an extender rod that will interlock with the rod mechanism of the second knob. Once you've put the new knob into the hole, slide it into the latch.

Test the spring by pressing down on it repeatedly. The latch should then spring back up each time. Install the second knob and secure it to the rod mechanism of the first knob. Thread the long screws from the interior doorknob through the holes for cylinders on the outside knob and secure it in its place.

Latch

A latch is a piece metal that extends through the doorjamb to secure it shut. It is operated with a knob or handle on the inside of the upvc door lock replacement or by a thumb turn on the outside side of the door. A latch can be secured using a deadbolt to keep thieves from breaking through the door's glass. It also provides protection from the accidental or deliberate closing of the door by pets or children. The latch can be fitted with single cylinder deadbolts or double glazed door lock replacement cylinder deadbolts depending on the security level you prefer.

Installing a latch requires the same steps similar to installing a deadbolt however there are some variations. To make sure that the new lock is compatible, first take a measurement of the setback on 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. Setbacks for standard latches are 2 3/8 to 2. 3/4 inches. If you have a greater setback, you may need to purchase a larger latch at a hardware store or locksmith.

The next step is to drill an edge bore hole in the doorjamb to accommodate the latch plate. Use a chisel for chiseling out the mortise of the latch and ensure it's deep enough to allow the faceplate of the new latch to be close to the doorjamb. Tape the strikeplate in place to ensure it is positioned correctly.

If the strike is placed too high, the door can be pushed in or pressure applied to it using a crowbar, or tire iron. This could also cause cracks in the doorjamb. This can be fixed by drilling a new hole through the doorjamb and then chiseling the core out of the old one.

The final step is to mount the new strike plate which is done by screwing it over the screw holes that are already in place. Then you can use wood putty to fill in the holes from the previous screws and the bolt hole that will not be used. After the putty is dry you can sand it until it has a smooth finish.

Strike

An electric strike is the metallic piece where the deadbolt and latch are engaged when the door is closed. It is an important part of the overall security of a lock as it helps keep the door shut and provides extra resistance to kicking or force applied to the door. If a door has been equipped with an electric strike, it can be opened with a key or the control unit which controls its electrical impulses.

In the past, installing an electronic strike required cutting off a part of a doorjamb, which would release the latchbolt of a cylindrical lock from the pocket within the strike. This modification can be an inconvenience in regards to the appearance of an opening as well as exposing the mechanism of the latchbolt and keeper to any unauthorised users.

Recently, a number of electric strike makers have come up with an innovative type of electric strike, dubbed the "No Cut" strike that doesn't need a cutout in the doorjamb to operate. The strikes have a unique design that allows the latchbolt and keeper to slide into the pocket without causing damage to 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 retracting of the keeper and latchbolt pushes them up higher on the ramp, locking the door. When the door is shut the deadbolt remains in at a lower position and the latchbolt retracts into the keeper.

Installing an electric strike can be an easy task, especially when you are replacing an existing strike door. However, if you're upgrading to an electric strike for an access control system, you'll be required to ensure that the new system is compatible with the kind of lock you have installed. You will also have to ensure that the strike is connected to your access control system and set up to operate in a fail-safe way.

One method to guard against access by unauthorized persons is to upgrade the strike on your doors to a high-quality strike plate. The plates are made of up to six screws of three inches instead of the usual two screws of three-fourths inches. These screws are longer, making it more difficult for anyone to break the frame and then reach inside to turn the thumb turn part of a single cylinder deadbolt.