More Secure Doors: Multipoint Locking

Author: Brian Rhodes, Published on Oct 27, 2014

Doors are notoriously weak at stopping entry.

A closed and locked door might deter entry for a typical wandering person, but breaking in is still easy, essentially taking a prybar and a few seconds. In the firefighter training video below, busting open a door secured by a single lock takes less than 30 seconds:

The key to beefing up door security typically involves multiple locks or latching points. For every lock that's added, more time is needed to overcome it, slowing criminals down. If the right multipoint latches are used, then simple exploits are very difficult.

In this note, we examine multipoint latching, and how it typically is deployed to still be code compliant, yet increase the toughness of doors.

***** *** *********** **** ** ******** *****.

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** **** ****, ** ******* ********** ********, *** *** ** typically ** ******** ** ***** ** **** *********, *** ******** the ********* ** *****.

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Latching *******

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More ******* *** ******

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Many ******* *********

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*** **** ****** **** ******** ********** **** ** **** *** (2009):

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(*) ********** ** *** **** ***** *** ******* **** **** one *********.

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High ******** **** ******

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Commercially ********* *******

***** *** * ****** ** '*** *** *****' ********** *****-***** latching **** *********. ************ **** *** ** ********* ** **** **** **** *****, with ****** **** *****, *** ** ************ **********; ******** ********* assembly *** ******** ************ ****** *** ******. **** ** *** more ******* ***** *******:

**********: **** ***************** ******** ******* *********** *********** ** ********** ******** but ****-********* **** ********/**** *******. **** **** **** **** **** $2000, *** ****** ****** *** ** ******** ** *** ******* devices.

*******: ********** *** ** ****** ** **** **** **** *******. Take *********** ******* *******, **** ** * ******* **** **** ******* ******* vertical ****. **** ****** *** ** *********** ** ***** ** wood *****, *** ***** ***** $****.

*****: * '******' **** ******, *****'* **** ***** $*** - $1200 *** ********* **** ***** *****.**** ** **** ************ ****************** ******, ********* ***** ********** *** ***************.

*******, ********** **** ***** ** ***** ***** ****** ** ********, and *****-**** **** *** ** ***** ** ******. *** *******, the *** **** ***** ***** * *** * ***** ******** systems, *** *** ***** ********** *** *** ******** ** **** non-mechanical *****-**** **** *** ***** ** *** * ***** ***. There ** ** ***** ** *********** ** *** ****** ** points ****, ** **** ** ********** **** ****** ***** *** still *********.

** * ******* ****, *** ******** **** *** ***** **** be ******** *** ****** ****** ** ******* ******** *******. *********, steel ***** *** ****** **** * ***** ********* ** ** or **** (*******) *** *****, *** ******** **** *** ******* specific **** *****.

Access ******* ***********

********* *********** ********** ****** ******* **** ********** ******** ***** *** basic *****:

********** ***** **********:**** ********** ****** **** ******* * ******** ******* ************** ******** *** ******** ******. *******, ***** **** * generally *********, ******* $**** ** **** *** ********* *-************ ******* *** ****** ********. ***** **** **** ********* ******* aggressive ********** *** *********** ** **** *** *** ****** *** door ** *** ****** *** ****** ***.

******** ******** ** *******: * **** *************** *** **** ******* ****** ** ******* mechanical ******* **** ******** ******** *******, ** ***** **** **** one********* ****** * ****. *******, **** ******** ** **** ********* to *******, ******* *********** ****** **** ** **** ******** ******* for *********** *****, *** **** ****, ****** **** *** ************ release *** ** **** *********.

Comments (6)

**** ** *** *** ****** *** **** **** ******** *****. They ***** ** *** **** ******* *** **** *********.

*** **** *** ** *** **** ******** ***** ***** ********** to *** **** ******** ***** ***** *** *********, * ***** it *** ** ***** ***** **** ** **** *** *****. Of ****** *** ** **** ** **** ** *** ***** and ******** ** **** *****, * **** **** ****** ***** and ***** ****** *** *** **** *** ** *** ******* by *** ********* ** ***** * ******.

** ********* **** *** '******** ******* *****', ******** ** ****** a ****. **** *** ***** ***** *****, ******** ** **** slightly **** **** ** ** **** ****** ****. ** *** US, ** *** '******* *****' **** *** ***** **** ******* chunks ** *****, *** '********' ** *** * **** ****.

*******, ****** *** ****** *** ** ********** **** ******* ** *** *** ***** **. :(

(****** * ***** **** ******** ************ **** ** ****.)

*** ***** **** * ***** * ****** ** ***** *** when ** ***** ** *********** ** * ******, *** *********, way ** ********** *** ******** ******* * ******* **** **. By ****** ********* *** ****** **** **** *** ***** **** something **** * *-* **** **** ***** **** **** ****** into *** **** **** ** **** * ****** ** ***** (2x4s' ******) ***** ** ************ ****** ** **** ** *** door. ** ******, ****** *** *** **** **** ** *** above ***** **** ******'* **** **** *** *** *** "****** of *** *****" **** ** ** **** **** *** * bit **** ********.

**** **** ** **** ** *** *********** *****?

*** **** ******* ***** **** *** ********:******** *****, *** **** *** ** ****** ****** *** * ****-******* unit. $*** ** **** ******.

*******, *** ******* ******* *** *** ** *** ****, *****-**** are *** **** ** ****. ** ***** ******* **** ********* has * ******** ******* **** ** ***** **** ****** ** $45 ****. * ***** ****** *** **** **** *** ****** from *** ********.

*'** *** **** **** ****** **** ****** ******* *** ****** multiple ******* *** ****, *** * **** ******** **** *** AXIS *****, *** ***** *, **** ****** ** **** *** ability ** **** * *** ******, ************* ************, *** * "double ******" ****. *'** **** **** ******** ********, *.*. *****, which ***** *** ******* ******** ** * ****** ****, ***** is **** ********-**********.

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