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How to Replace Door Locks

Door locks are your primary line of defense against unauthorized access to your home. The replacement locks for patio doors may need to be replaced due to wear and tear or other events like moving into a new residence or a break-in.

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 select the appropriate lock.

Deadbolt

If you want to make sure your door is secure from intruders, it's a good idea to install deadbolts. The bolt extends into the strike plate on the door frame when it's locked, making it more difficult for burglars to gain entry into the door. A single-cylinder deadbolt is activated using a key on the exterior, and the thumb-turn mechanism located on the interior. Deadbolts are only effective only if it's correctly installed however.

First, you must determine whether the door already has a hole that is suitable for a deadbolt or if you need to drill it out. Mark the location of the hole to install the deadbolt on top of the door using the template included with your 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 the speedsquare to draw a straightline across the mark you made for the bolt hole.

Next, use a power drill to bore this area until the hole extends to the other side of the door. This could take a bit of time. Sand the hole and edge of the door to make it smooth. At this moment, it's a good idea to paint or stain your door.

Once the door is ready take off any screws visible on the existing deadbolt. This will reveal the front and back 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 it is time to cut out the space for the strike plate that is on the door frame.

If your strike plate isn't aligned properly It's likely that the previous installer didn't properly mortise it or a weatherstripping came along and changed the strike position. You will need to re-mortise the strike plate and perhaps even the deadbolt to fix the issue. Close and lock the deadbolt after you've completed this step. Test the deadbolt by closing it and locking it after the bolt has been extended into the strike plate.

Knob

If the knob on your door is worn out it could make your home or business less secure. It could also make it harder to open or close the door, so it's an ideal idea to replace it. It shouldn't take you longer than 30 minutes. Use pliers or a screwdriver to take off any knobs or handles. Be cautious not to scratch the other components of the door.

Before you begin you'll need to spray WD-40 or some other dry lubricant onto the mechanism of the knob on your door. This will assist the new lock to slide smoothly as you turn it. To ensure that it operates properly it is important to select a knob and handle that are compatible with your doors. If you don't have a matching knob, you'll need to buy a replacement upvc door lock mechanism doorknob and latch plate.

Before you begin the replacement locking mechanism for upvc doors process, look over the knob you replaced to determine which screws are that are holding it in place. If there are no screws then you can use the screwdriver to wedge the cover plate in between the screws plate that is hidden.

After removing the old knob examine it for evidence of damage or rust. You'll have to scrub it off if there are any scratches or dents however, you shouldn't need to do anything major when the knob is in good condition.

Now is the time to put in the new one. Before you do that, look over the two new knobs to ensure that you're selecting the correct one for your door. You'll want to pick one that has an extending rod designed to interlock with the rod mechanism of the second knob. Once you've put the new knob in the hole, slide it into the latch.

Test the spring by pressing it down repeatedly. The latch should then spring back up each time. Next, install the other new knob and lock it with the rod mechanism of the first knob. Thread the long screws of the interior doorknob into the cylinder holes on the exterior knob and fix it in the knob's position.

Latch

A latch is a piece of metal that extends into the doorjamb to secure it shut. It is operated by a handle or knob on the interior side of the door or a thumb turn on the outside side of the door. A latch can be secured with deadbolts to prevent thieves from breaking through the glass. It can also protect against the accidental or deliberate closing by pets or children. You can choose to install a latch with either a single-cylinder or double-cylinder deadbolt depending on your preferred level of security.

Installing a latch involves the same steps like installing a deadbolt however there are some variations. To ensure that the new lock is compatible, first measure the setback on the doorjamb with a tape measure. The setback is the distance between the edge of the doorjamb to the center of the hole that will be used for the latch faceplate. A standard setback is 2 3/8 to 2 3/4 inches. If you have a greater setback, you may have to purchase a larger latch at a hardware store or locksmith.

The next step is to drill an edge bore hole into the doorjamb to accommodate the latch plate. Utilize a chisel to chisel the latch mortise. Make sure the depth is enough for the faceplate to be flush with the doorjamb. Put the strike plate into place to make sure it's in the right position.

If the strike is placed too high, the door could be pushed in or pressure applied to it with a crowbar or tire iron. This can also crack the doorjamb. This can be corrected by drilling a new hole into the doorjamb, then removing the core from the old one.

The last step is to install the new strike plate, which can be done by screwing it in place over the screw holes that are already in place. Utilize wood putty to fill in any old screw holes or bolt holes which aren't going to be used. After the putty has dried, sand it to an even finish.

Strike

The piece of metal that is inserted between the deadbolt and latch when the door is closed is an electric strike. It is an essential part of the lock's security because it prevents the door from opening, and also provides an additional barrier to force or kicking. If a door is equipped with an electric strike, it can only be opened with an entry key or the control unit that governs the electrical impulses.

Traditionally, installing an electric strike required cutting a small portion of the doorjamb to remotely release the latchbolt of a cylindrical lock from the pocket in the strike. This modification can be a drawback when it comes to the appearance of an opening and also exposes the latchbolt and replacing door locks keeper mechanism to unintentional users.

Recently, a number of electric strike manufacturers have developed a "No Cut" kind of strike that does not require a cutout to operate. These strikes utilize a special design to allow the keeper and latchbolt to slide into the strike pocket without damaging the faceplate of the doorjamb.

The strike is equipped with an internal ramp that lifts the latchbolt and keeper whenever it receives an electrical signal from a reader or controller. The keeper and latchbolt are pushed up the ramp by the retract. When the door is shut, the deadbolt stays retracted and the latchbolt retracts into the keeper.

Installing an electronic strike is a straightforward procedure, particularly when you're replacing door Locks an older strike. However, if you're upgrading to an electric strike for an access control system, you'll have to ensure that your new system is compatible with the type of lock you've installed. You will also need to ensure that the strike is connected to your access control system and is set up for fail-safe operation.

Upgrade your strike plates to high duty strike plates to stop the entry of unauthorized persons. The plates utilize four to six three-inch screws instead of the two, three-fourth inch screws typically employed in regular strikes. These longer screws make breaking the frame to reach the thumb turn piece on a single deadbolt cylinder more difficult.