How to Replace Door Locks
Door locks are the first line of defense against unauthorized entry into your home. Locks may need to be replaced due to signs of wear and tear or other events like moving into a new home or a burglary.
To begin, you must determine the size of your cylinder by measuring the distance between the adjustment screw and the middle of the cylinder knob. replacement lock for upvc door will allow you to purchase the correct-sized lock.
Deadbolt
Installing a deadbolt can be a great way to secure your door from intruders. The bolt extends into the strike plate that is on the doorframe when locked, making it more difficult for a burglar to break in through the door. A single-cylinder deadbolt can be activated using a key on the exterior and a thumb-turn piece situated inside. Deadbolts can only function when it is properly installed.
First, you will need to determine if the door already has a hole for deadbolts or has to be bored. Mark the location of the hole for the deadbolt on the exterior of the door by using the template supplied with the lock installation set. Utilize your tape measure to determine the height of the deadbolt. Then, mark this high point on the outside of the door. You can then use the speed square to draw an even line across the mark you made for the bolt hole.
Then by using a power drill, bore through the hole until it reaches the opposite side of the door. This could take a bit of time. Sand the hole and the edge of the door to smooth it. It's also recommended to stain or paint the door at this point.
Remove any screws that are visible from the deadbolt. This will reveal the front and back assembly of the deadbolt, as well as the bolt inside. Then, remove the bolt and replace it by a new one to match the door hardware. It is necessary to remove the bolt from a setplate. After this, you'll need to chisel the area on the door frame for the strike plate.
If your strike plate is out of alignment, it could be because the previous installer did not mortise it properly, or a weatherstripping changed the strike position. To correct this issue you'll need to remortise both the strike plate and the deadbolt. Close and lock the deadbolt once you have completed this step. Make sure the bolt extends into the strike plate, and then test the key to ensure it closes and opens effortlessly.
Knob
If a door knob is damaged, it can make your business or home less secure. It may make it difficult to open or close the door, so it's a good idea to replace the knob. Replacing the knob is an easy DIY task that should not take less than 30 minutes to complete. Make use of pliers or a screwdriver to remove any knobs or handles. Be careful not to damage other parts of the door.
Spray WD-40, or another dry lubricant, onto the mechanism of your door knob before you begin. This will assist the new lock slide smoothly as you turn it. It is essential to choose an excellent knob and handle that matches your current doors to ensure that the lock is operating properly. If there's no match, you'll need to buy a new doorknob and latch plate.
Before you begin replacing the knob, take a look at the knob that was previously used to see what screws are that are holding it in place. If there aren't any screws you can use a screwdriver to insert between the cover plate and the hidden screws plate and remove it.
After you have removed the knob examine it for signs of rust and damage. If the knob has any dents or marks then you'll need clean it. Otherwise, it shouldn't require any major work.
Now it's time to install the new one. It is important to first look over the two knobs to ensure that you are choosing the correct one for your door. You'll need to pick one with an extended rod that is interlocked with the rod mechanism of the second knob. Once you've put the new knob in the door's hole and then carefully slide it into the latch.
Thread the latch plate screws down and test the spring by pushing down repeatedly. The latch should spring back up every time. Then, put in the new knob and lock it with the rod mechanism on the first knob. Thread the long screws of the interior doorknob through the cylinder holes on the exterior knob and fix it in its place.
Latch
A latch is a metal piece that extends out into the doorjamb to secure it shut. The latch is operated by a knob or handle on the interior of the door, or by a thumb-turn on the exterior. A latch can be secured by a deadbolt to keep intruders from breaking in through the glass of the door. It also helps protect against intentional or accidental closing by pets or children. You can install a latch with either a single-cylinder deadbolt, or a double-cylinder deadbolt based on the level of security.
Installing a deadbolt is exactly the same as installing a latch, however there are some differences. First, measure the setback of the doorjamb using a tape measure to make sure the new lock will fit. The setback is measured from the edge of doorjamb up to the center of hole for the latch plate. Setbacks for standard latches 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 larger from a hardware or locksmith store.
Next, make a hole for the latch plate at the doorjamb's edge. Utilize a chisel to smooth out the latch mortise and ensure it's deep enough to allow the faceplate of the new latch to sit close to the doorjamb. Place the strikeplate on the floor to ensure that it's positioned correctly.
If the strike is placed too high, the door can be kicked in or pressure applied to it using a crowbar, or tire iron. This can also cause the doorjamb's to crack. This can be repaired by drilling a new hole through the doorjamb, then chiseling the core out of the hole that was previously made.
The final step is to mount the new strike plate which can be accomplished by screwing it over the screw holes that are already in place. Then, use wood putty to cover the old screw holes and the bolt hole that won't be used. After the putty is dry then sand it to an even finish.
Strike
An electric strike is the metal part where the deadbolt and latch engage when the door is shut. It is an essential part of the lock's security because it stops the door from opening and provides an additional barrier to force or kick. If a door is equipped with an electric strike, it can only be opened using keys or the control unit which controls its electrical impulses.
Traditionally, installing an electric strike meant cutting a section of the doorjamb to remotely remove a cylindrical lock's latchbolt from the pocket of the strike. This is an inconvenience when it comes to the aesthetics of an opening, and it also exposes the mechanism of the latchbolt and keeper to unintentional users.
Recently, a number of electric strike manufacturers have created a "No Cut" kind of strike that does not require a cutout to operate. These strikes have a unique 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 retraction. When the door is closed the deadbolt remains in place and the latchbolt retracts into the keeper.
Installing an electric strike can be an easy task, especially when you are replacing the strike on a previous door. If you're upgrading an access control system to an electric strike, you need to make sure that the new system is compatible. Also, you must make sure that the strike is wired to your access control system and is designed to operate in a fail-safe manner.
One way to safeguard against access by unauthorized persons is to upgrade the strike on your doors to a high-quality strike plate. These plates use four to six screws of three inches instead of the two three-fourth inch screws commonly used in regular strikes. The longer screws make it harder for anyone to break the frame and reach inside to turn the piece that turns the thumb of a single cylinder deadbolt.