Double Key Locks Illegal

She had left the key in the double key deadbolt but investigation revealed that in her rush to escape the fire by turning the lock she had pinched the key causing it to move.

Double key locks illegal.

M210 double combination marine grade keyless single cylinder deadbolt lock. These locks require a key to lock or unlock the door both from the outside and the inside making them a little safer in one regard. A bolt retracts when operated by a key or thumb turn only. Product title l32cs3208 entry door lock double cylinder average rating.

If you mean a double keyed deadbolt lock that requires a key in order to exit the house the oldest code i own that forbids it is the 1970 uniform building code that covered all types of buildings. 49 list list price 54 80 54. Any door that has a lock within an arm s reach of glass panels sidelights or windows can benefit from a double cylinder deadbolt. Shop this collection 3 model jp022f 21 16.

Premier lock bronze laquer double cylinder jimmy proof die cast deadbolt lock with flat strike and 3 sc1 keys. As national consensus codes developed for public use buildings single family codes lagged behind until the mid 80 s when a group of national code. 0 out of 5 stars based on 0 reviews current price 40 49 40. The locks have no handle.

When a double cylinder lock is present even if a burglar breaks the glass he will be unable to unlock the deadbolt from inside without a key. Danger of double key locks. On the other hand single sided deadbolts require key to unlock from the outside only. These locks can create an issue for quick exit if a fire or other hazardous situation occurs.

Single sided deadbolts have a knob on the inside that is used to unlock and lock them from the inside. When i was a los angeles county deputy sheriff i had the sad observation of seeing a young woman who was killed by smoke inhalation. In the u s there is no single comprehensive law against dual cylinder deadbolts. There is no real benefit from using these locks on solid wood or metal.

For example if there s a window on or nearby the door think of sidelight windows next to a door for example someone could break the window reach in and turn the deadbolt of a single keyed lock.