In most cases, there are specific laws and building codes you need to refer to before using. Because the door is locked from both sides, fast egress (such as during a fire) becomes difficult. Safety is a huge factor when using these types of deadbolts. This type of deadbolt is often used on entry doors to provide an extra level of security and prevents someone from being able to break in by reaching through a broken window and turning the thumb turn from the outside. The double-cylinder deadbolt requires a key to be used on both sides of the door. Single-cylinder deadbolts should be installed at least 40 inches away from any glass or a window to prevent someone from breaking the glass and turning the thumb turn. They are ideal to use when you want quick access in one direction (such as during an emergency) while restricting access in the other direction. These are the most popular deadbolt used on household front doors and are typically used in conjunction with a doorknob latch lock. This type of lock uses a thumb turn on the inside of the door and a key on the exterior side. The Single-Cylinder Deadbolt Lockįirst up is the single-cylinder deadbolt. They all work pretty much the same, but each has specific characteristics that will affect how well they work in certain situations. There are seven main types of deadbolt locks on the market today. They use a key or thumb turn to engage a bolt that extrudes into the doorframe.ĭeadbolts are commonly used on exterior doors because they provide a high level of security against forced attacks-such as kick-ins. So, if you're interested in effectively upgrading your security, keep reading! What Is a Deadbolt?Ī deadbolt is a locking mechanism that is typically used in conjunction with a doorknob to secure doors. We'll also provide some tips for choosing the most secure deadbolt lock for your needs. In this post, we'll take a look at the most common types of deadbolt locks and discuss how they can benefit you. There are many different types of deadbolt locks available on the market, and each has its own advantages and disadvantages. This includes having the right type of deadbolt locks in place. When you buy through our links, we may earn a commission.Īs a home or business owner, it's important to make sure that your security is up to date. And for more door lock options, see our complete door lock ratings of over 100 models.We independently review everything we recommend. To learn more about our door lock tests, check out our door lock buying guide. You might also be interested in our home security system ratings. CR members can click on each model name for detailed ratings and reviews. We’ve also included four models to skip that performed poorly in our physical challenges and/or our tests specific to smart locks. The list has models from Bosma, Eufy, Kwikset, Medeco, Schlage, and Yale. “When this is the cause, replacing the included strike plate with a reinforced strike, which costs as little as $10, improves the lock’s resistance to kicking by magnitudes.”Īfter putting dozens of locks to the test, we’ve selected six of the best from our door lock ratings. “In our brute-force kick tests, the cause of failure is more often than not the short screws used to attach the strike plate to the door frame,” says Misha Kollontai, CR’s test engineer for door locks. They repeat the test eight times, with the ram raised to increasing heights-or until the lock fails. That’s why CR engineers conduct kick-in tests using a custom-built jig that swings a 100-pound steel battering ram against a locked door. But even if you’re diligent about locking up, you need a good deadbolt to thwart thieves. Most burglaries involve criminals forcibly entering your home, according to Federal Bureau of Investigation statistics-and that includes coming through your front door.
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