It’s not uncommon to find good, high security deadbolts selling at over $300. They have pick resistant and bump proof cylinder technology. They have the highest ANSI grade (ANSI grade 1, see “ Lock Ratings Explained“). They are built with the heaviest materials. □ Cost Benefits of the One-Sided Deadbolt You Don’t Need to Buy a High Security Deadbolt Installing a single-sided deadbolt high up on the door, out of reach, gives you the security benefits we mentioned plus gives you a way to stop your young child from exploring the world unbeknownst to you. ![]() Once your child is old enough to unlock your existing deadbolt and doorknob, only your constant attention can stop him from running outside on his/her own. This lock is also ideal for families with small children in the house. You don’t have to worry about them showing up unannounced and walking into your home while this lock are engaged. If you’ve given keys to your home to someone that you no longer want to have access, engaging this deadbolt will keep them out until you can have your home rekeyed to work with a new key. Protection from Someone that Has Your House Key The only way someone will be getting past this door, is to bring out some very noisy tools or using an incredible amount of force, and that attracts unwanted attention. The one-sided deadbolt protects that door and any other exterior door it’s installed on from all types of silent lock attacks (lock picking and lock bumping), It also protects against forced entry because the location of the lock is unknown so criminals won’t know where to drill.Ĭombine this with a door reinforcement kit to protect the door and door frame from forced entry, and you are making this door practically impenetrable. Then, once someone bypasses the exterior door lock, and are in your garage, they can work at breaking into the home from inside of your closed garage without worry of being seen. These doors are often behind a brick fence giving intruders plenty of time to work on your visible locks without being seen by neighbors or people walking by. In Arizona, side garage doors are one of the most common points of entry for someone breaking into your home. No hole to pick, no lock to bump (What is Locks Bumping), nothing visible to pry, break or jimmy open. On the inside of your home, you lock the deadbolt with a thumb turn, just as you would any other deadbolt, but on the outside of your home, there’s nothing there. Security BenefitsĪ single-sided or half deadbolt is a deadbolt that has one one visible side (see photo). Single cylinder deadbolts have keyhole on the outside of the door and double cylinder deadbolts have keys on both sides. We mean there is only a thumb turn, and no lock cylinder thus, no keyhole. With a visible keyhole, criminals know exactly where to drill.īenefits of the One-Sided Deadbolt One Sided Deadbolts are Keyless Door Locksīy keyless we don’t mean it’s a smart lock. ![]() The idea is to aim for the pins securing the cylinder in place, and drill them out so the lock can be opened. Drilling: If the above two methods don’t work, drilling is a common entry method.See our video Demonstrating Lock Bumping. Anyone with a few dollars and YouTube can get everything needed to bypass nearly all home locks. Bumping: Bumping is a technique where a specially made key is used to rapidly hit the pins inside of the lock cylinder, causing the pins jump into place.Some brands are easier to pick than others, and high-security locks will often have keyways that are more difficult to pick, but with YouTube, numerous videos exist showing how to pick almost all available locks. Picking: Pin cylinders make standard locks vulnerable to lock picking.The Problems with Standard Traditional Deadbolts Lock Bumping If you want our recommendation for best single cylinder deadbolts, including smart door locks, see our article on Best Lock Brands. ![]() Single cylinder locks have a keyhole (lock cylinder) on one side and a thumb turn on the other side. Since the installation hole does not go all the way through the door, from the outside of the home there is nothing visible that would suggest a lock is present.ĭon’t confuse these with single cylinder deadbolt locks. These door locks are installed only a little over 1/2 way into the door.
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