While no lock is 100% guaranteed to keep out intruders, installing a deadbolt, as opposed to just having a standard lock, will significantly increase the security of your home.
Deadbolts often offer superior levels of protection over their doorknob and lever counterparts of equal security rating. Deadbolt locks are separate from doorknob locks, and often come in either single cylinder or double cylinder variants.
The key advantage of a deadbolt is the unique locking mechanism gives you the utmost protection against forceful physical attack. While standard locks may be forcibly unlocked using crowbars; or knifes as they operate on sprint mechanism, deadbolts are nearly impossible to break in this manner.
Generally speaking, deadbolts are sturdy locks that can withstand kick in and other forced entry attempts. However, a door with a deadbolt can still be kicked down if the door itself is not solid. So, to protect your door against kick in, you want to make sure both the lock and door are of high-quality grade.
While properly installed deadbolts provide reasonable protection, there are risks. With single cylinder deadbolts, burglars often break door-side windows to simply reach in and turn the latch. Double cylinder deadbolts can slow family members trying to flee from the house in case of fire or other emergency.
The BHMA/ANSI has three, separate grades for deadbolts, simply labeled grades 1 through 3. Grade 1 is the highest quality, and the most dependable deadbolt you can have. Grade 3 is your average deadbolt which will provide an accepted, but minimal, level of security.
To hold the deadbolt firmly in place so the door can't open, install a deadbolt protection device that slides a 'lock' over the deadbolt handle it to keep it from turning.
You can buy a bump key set from various locations including Lowe's and Walmart. Simply enter the bump key into the deadbolt lock and use a screwdriver or other sturdy-ended tool to hit the end of the key toward the door. The force should cause the key to turn, thus unlocking the door.
A minimum of 10, 75-pound strikes are reported to be the equivalent of over 100 foot pounds, which is why the Grade 1 deadbolt locks have been tested. A really strong criminal would have to kick your door over 100 times in order for it to begin to degrade or show signs of weakness.
Kicking a door down is best employed on a door that swings away from you. Kick to the side of where the lock is mounted (near the keyhole). This is typically the weakest part of the door. Using a front kick, drive the heel of your foot into the door.
Ultimate Lock has the ability to withstand up to 4000 pounds of force, to put things in perspective, most deadbolts can only withstand roughly 100-200 pounds of force.
A deadbolt lock is a lock bolt that is moved by turning a key or an access control system without the use of a spring. Deadbolt locks are heavier and thicker than your standard spring latch. Normally made from steel or brass they are not rounded or angled at the end of the lock.
Furniture – electronic locks are often used in office 'hot desking' environments or personal or temporary storage for employees' belongings. Items such as wooden office furniture, filing cabinets and metal office furniture should be equipped with a secure locking system where privacy or security is necessary.
Jimmy Proof Dead Bolt
The lock's position on the surface of the door gives it natural resistance to jimmying. A jimmy proof lock is operated by a key or knob that controls a two-part vertical bolt. The lock is engaged when the bolt descends or ascends into two rings on the strike.
Well, deadlocks and deadbolts are the same in that they both need a key to lock. However, while a deadlock can only be unlocked in deadlock mode with a key, deadbolts can be locked and unlocked with a key and have a metal lock that extends from the door into the wall.
Deadbolts are the most secure because they need to be engaged when the door is shut. They have a unique locking device built into the bolt, that can't be forced back into the door, thus preventing unwanted entry. The deadbolts sets back into the door 1 inch vs. a Spring bolt which sets back 1/2 inch.
Interior doors should require no more than 5 lbs. of force to open. This does not apply to the initial force needed to overcome the weight of a motionless door. Open the door gradually; do not “jerk” it open.
This is one of the most secure solutions out there to burglar-proof your front door from the inside. A steel horizontal security bar is extremely durable and withstands really high forces, so it definitely protects your door from kick-ins.
Examine the door and frame materials.
If the door is made of metal or has a metal frame, you probably won't be able to kick it down. If the door or frame are made of wood or a hollow-core material, you should be able to kick it down with minimal force.
Unfortunately, you can not unlock a deadbolt with a credit card. Credit cards will only work with slanted-latch-style locks. Furthermore, the slant of the latch must be facing you so that you may press it in using your card.
Tape a coin over the door's strike plate.
Use thick tape, like masking tape or duct tape. You may want to place the coin over the door's latch. This can hold the door handle at an open angle, allowing you to push the door open and closed without turning the knob. This will also prevent the door from locking.
To open a deadbolt without a key, a drill machine is one of the most efficient ways to open the lock successfully and easily. You just need to find a drill machine to unlock the lock if you are ashore out of the house. Just by holding the drill on the lock, you can initiate drilling.
To penny lock a door you simply jam pennies between the door and the hinge from the outside, which prevents the door from opening from the inside. If done properly, the only solution is to remove the door from the hinge. While penny locking a door can work, it will only work with certain door jams.
Pick-resistant locks have an extra set of tumblers or locking apparatus so that, in effect, the key has to do two things at once. Because of their resistance to manipulation, these locks are also resistant to key bumping. One of the most popular pick-resistant locks is the Medeco.