Deadbolt door locks are the most secure type of key lock and are usually used on a home's exterior door. Available in single- and double-cylinder styles, deadbolts are rated according to their strength from Grade 1 to Grade 3. A Grade 1 is the highest grade and provides the most security.
Some of the top door locks for home security include deadbolts, smart locks, and mortise locks. Do smart locks offer better security than traditional locks? Smart locks can offer better security than traditional locks, as they can provide remote access control, activity logs, and customizable access codes.
Deadbolt door locks are the most secure type of key lock and are commonly used on exterior house doors. Single and double cylinder locks are classified by strength from Grade 1 to Grade 3. Grade 1 is the highest and provides the best security.
Knob Locks
Knob locks are the most common type of door lock available and the chief security method for most doors. The lock cylinder is located in the knob itself instead of the door. Thus, knob locks should not be used on external doors, as they can be easily broken into with basic tools like a hammer or wrench.
The standard Kwikset deadbolt is the most common lock in America.
A normal door lock is likely to be a mortice lock – either a deadlock, sashlock, euro sash case or euro deadcase style. These offer high security for external doors and also act as a visible deterrent because burglars know they're difficult to overcome.
Granit locks have a special black coating on the body and shackle that offers very high levels of corrosion protection. All these characteristics ensure that Granit padlocks are among the most secure in the world.
Electromagnetic locks are only available fail safe—there is no magnetic bond when power is removed. Fail secure products are more common than fail safe due to security concerns. Power consumption may also be an issue. Fail secure products provide security when there is no power applied.
Deadbolt lock
“Deadbolts or deadlocks on front doors are certainly a great first line of defence from intruders,” McBride says. These are strong, heavy-duty locks commonly used on exterior doors for security against breaking-and-entering.
SECURITY EXTERIOR DOORS FOR RESIDENTIAL HOME
If the risk of burglary in your area is relatively low, a class 2 door (RC 2) is sufficient. The door frame, regardless of the security class, should be made of steel, extruded aluminum alloy or hardwood reinforced by steel plates, and have at least 3 hinges.
Because Schlage locks are made of stronger materials, are superior in their mechanism, and provide far greater security than Kwikset locks, it should be mentioned that they are more expensive compared to Kwikset.
A high security lock should be able to withstand a lot of force. Therefore, they use hardened steel bolts that can stand against a burglar ramming, kicking, or using a sledgehammer to break in. Without a sturdy steel bolt, these types of strikes would bend or snap the bolt leaving your property vulnerable to intrusion.
The shackle of this D lock uses 18mm of Max-Performance Hardened Steel to protect your bike. Making this yet another lock that's uncuttable with bolt cutters and virtually unbreakable with any hand-powered tool. Unlike some other locks in this review, the Kryptonite Fahgettaboudit is compact and portable.
The answer: One sturdy lock is enough to secure a front door. If installed correctly, a high-quality lock is all you really need. You always have the option of adding a second lock as an extra layer of protection — but there are potentially more productive measures to take.
Homes in high-visibility places, like on corner lots, are far less likely to be broken into. There are simply too many potential ways to be seen. But townhomes, houses in the middle of the block, or houses in a cul-de-sac are much better targets.
Your attic is not likely to be visited by a burglar because they are usually hard to find and access. So, it is always a good idea to store valuables in attic storage containers. As an extra safety precaution make sure to mark them with labels like “winter clothes” or “old shoes” to throw a burglar off of your scent.
Burglars work hard to identify easy targets. You could say it's their full time job to find houses worth breaking into. Many burglars will stake out a home for days to identify patterns in how people come and go. And they are especially interested in homes without dogs, alarm systems, and security cameras.
Type of Door: If you have a solid core or metal door, a single deadbolt lock may be enough. Based on this, if you have a hollow-core or wooden door, your locksmith service will definitely suggest adding more than one lock for extra security.
While you should always engage your doorknob locks to turn away casual intruders, understand that even an inexperienced crook can get through one in seconds. A doorknob lock, at the minimum, should always be paired with a deadbolt.
Look for locks that have a contoured shape for the internal pins or a side bar to help thwart any traditional lock-picking attempts on your home. You can also switch to one of the less common locks on the market, such as that of a dimple lock, tubular lock or rotating disc.