You need to login or register to bookmark/favorite this content. Here’s a tragic news report involving double cylinder deadlocks. Egress doors shall be readily openable from inside the dwelling without the use of a key or special knowledge or effort. This is the main difference between these two types of deadbolts. This means that a key will be required to turn the lock both on the inside of the door and the outside. All means of egress (ways to get out of the house. While the single-cylinder deadbolt only features a locking mechanism requiring a key on one side, the double-cylinder deadbolt has it on both. Building code is quite clear on this issue. Perhaps they know where the key is, but the fire has blocked access to it. Other doors shall not be required to comply with these minimum dimensions. What’s the danger with double-keyed deadbolt locks The danger here is that during a fire, occupants will be panicked, hurried and may not be able to find or operate the key. The minimum clear height of the door opening shall not be less than 78 inches (1981 mm) in height measured from the top of the threshold to the bottom of the stop. The egress door shall be side-hinged, and shall provide a minimum clear width of 32 inches (813 mm) when measured between the face of the door and the stop, with the door open 90 degrees (1.57 rad). Schlage Touch Keyless Touchscreen Lever with Century trim and Merano Lever. At least one egress door shall be provided for each dwelling unit. Schlage Touch Keyless Touchscreen Deadbolt with Camelot trim paired with Camelot Handleset and Flair Lever with Camelot trim. Your local code might contain a different requirement, but here’s the paragraph from the 2009 IRC: ![]() I found the same language in the 2009 edition of the International Residential Code (IRC). ![]() When I checked the Massachusetts One and Two Family Dwelling Code, I found that double-cylinder deadlocks are prohibited. His position is that he will not install them, but he was looking for a code reference to back him up. Nothing is worth more than your family’s safety.I don’t get involved with residential construction very often, but a local locksmith recently asked about the use of double-cylinder deadlocks on single family homes. Remove the lock and install an appropriate one, install decorative grills on small window planes, or redesign the area to not include windows. Some articles I have read state if you the double-keyed lock already, to just leave the key in it, or close by. This is not an arbitrary code, or a code designed to make manufacturers money. All means of egress (ways to get out of the house), such as windows and doors, must be operable from the inside without the use of special knowledge or tools. It becomes a single cylinder deadbolt when locked from the inside. Baldwin Traditional Solid Brass Single Cylinder Keyed Entry Deadbolt from the Estate Collection. Captured key locking devices do not let you remove the key when locking the door from the inside. 1-48 of 334 results for 'Double Sided Keypad Deadbolt' RESULTS CODACE Keyless Entry Door Lock with Keypad Deadbolt, Double Sided Keypads Door Lock with Handle, Mechanical Combination Lock with Keypad Door Knob for Outdoor Gates, Fences, Front Doors (Black) 11998139. Kwikset Gatelatch Double Cylinder Deadbolt with Smart Key Cylinder. Perhaps they know where the key is, but the fire has blocked access to it.īuilding code is quite clear on this issue. The ONLY type of double cylinder deadbolt lock allowed for residential use by the building code of Virginia is a captured key lock. The danger here is that during a fire, occupants will be panicked, hurried and may not be able to find or operate the key. What’s the danger with double-keyed deadbolt locks? It is more prudent to consider the danger involved. A double cylinder deadbolt requires a key to unlock on both sides of the door. The Double Key function allows for maximum security. Double cylinder deadbolts have a key cylinder on both sides of the door. If a burglar wants to break into your house, they will find a way. The Ezset 210 Range is avaiable in three finishes and comes with a 60-70mm adjustable backset making it very versatile to suit all residential applications. Why did the homeowners do this? Some homeowners I meet during home inspections mistakenly believe that this is a safety upgrade. Why do people install double-key deadbolts? A double-keyed deadbolt requires a key from the inside to operate. In my opinion, this applies to many building codes as well.īuilding codes reflect decades of experience and are written to prevent repeat incidents of damage, injury, or even death.ĭuring a routine home inspection in Richmond, Virginia, we found this fire safety hazard. ![]() In a prior life, when I worked on aircraft, we used to say that the maintenance manuals were written in blood.
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