For that reason, I typically recommend replacing double-keyed deadbolts with a thumb-latch type that doesn't require a key to escape. They may provide some added security, but as a home inspector, I'm much more concerned with safety. In short, double-keyed deadbolts are legal on existing Minnesota homes. Any recommendation or promotion of double cylinder dead bolt locks must include a warning about their potential fire danger and procedures to minimize the danger.
Double key deadbolt code#
(g) Double cylinder dead bolt locks. No provision of the code or appendix chapter of the code may prohibit double cylinder dead bolt locks in existing single-family homes, townhouses, and first floor duplexes used exclusively as a residential dwelling. Minnesota Statute 326B.106 (d)(4)(g) says this about double-keyed deadbolts: Once a person has taken occupancy of a home, they can do whatever they want with the locks. At the end of section R311.2 of the Residential Building Code, you'll find this: Egress doors shall be readily openable from inside the dwelling without the use of a key or special knowledge or effort.īut that's only for new homes. Here in Minnesota, you can't build a new home with a double-keyed deadbolt. That makes sense, but still, you have an increased potential for someone in the home to take the key out of the deadbolt while it's locked. People who advocate for double-keyed deadbolts suggest leaving a key in the deadbolt at all times, except for when you leave the home. When it comes to deciding between safety and security, I choose safety. If someone needs to get out of their home during an emergency but the double-keyed deadbolt is locked, you're stuck looking for a key or a window to climb out of. The problem with double-keyed deadbolts is reduced safety. One or two well-placed spartan kicks from a large person is all it would take to destroy a door jamb, rendering any type of deadbolt useless.īut to go down the rabbit-hole even further, the whole kick-in-the-door thing is a good reason to consider a jamb reinforcement kit like the StrikeMaster II for added security. I’m not here to debate the validity of these argument, but here goes anyway. With double-keyed deadbolt locks, however, that’s not such an easy option. It features a dual-key locking design with key slots. A double-cylinder lock might look simple and plain on the outside, but they are much more complex on the inside. Secure the entryway of your home with confidence with this double cylinder deadbolt from Tru-Bolt. Unlike a typical single-cylinder lock, you can’t thumb-turn the lock to open it. If someone gains entry to a home by sneaking through a window, they can get out of the house very quickly with a lot of stuff by opening from the front door from the inside. Also called double-cylinder locks, a double-key deadbolt requires a key for locking and unlocking the door from the outside or inside. Police officers also like double-keyed deadbolts because they make it difficult to steal big stuff. The burglar simply smashes the glass, and then they can reach in to unlock the door. It’s fairly easy to break into a home with a glass sidelite (window) on the front door. Police officers seem to prefer double-keyed deadbolts because of added security. This means if the door is locked, there’s no getting in or out without a key. It’s a deadbolt that locks from the inside and the outside with a key. Our representatives will be glad to assist you with making appropriate choice.Are double-keyed deadbolts legal? Are they safer? More secure? Great questions.įirst, let’s define a double-keyed deadbolt. However, care should be taken to ensure the key or thumbturn cannot be reached via a window on or near the door which will make it really simple for a burglar to unlock the deadbolt.įind the deadbolt that is right for you, using our clear and specific overview for each product as a guide. It is therefore recommended to keep the key in the lock or in an easily accessible place near the door. Many people opt for a deadbolt in addition to a standard latch bolt, which, unlike a deadbolt, can be operated with a door knob or lever and it can latch or lock on its own.Ī deadbolt that operates with a key on the inside can be a hazard incase of an emergency if the key is not easily accessible. A deadbolt is very difficult to force open and therefore provides extra protection against theft. These locks operate with a key on the outside and either a key or thumbturn on the inside that throws and retracts a solid bolt into the door frame.
Miscellaneous Door Hardware View Productsĭeadbolts are popular as a means of extra security in both residential and commercial applications.Exit Devices / Panic Bars View Products.Electrified Door Closer/Holder For Fire Doors View Products.ADA Compliant Low Energy Door Operators View Products.
Double key deadbolt Patch#
Pivots, Hinges and Patch Fittings View Products.Behavioral Healthcare-Ligature Resistant Security View Products.
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