![Construction Specifier: Battling the Barricade - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene. Construction Specifier: Battling the Barricade - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.](http://idighardware.com/wp-content/uploads/2016/08/Floor-Lock.jpg)
Construction Specifier: Battling the Barricade - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.
![Wisconsin teen develops door-locking mechanism to help stop active shooters - WSVN 7News | Miami News, Weather, Sports | Fort Lauderdale Wisconsin teen develops door-locking mechanism to help stop active shooters - WSVN 7News | Miami News, Weather, Sports | Fort Lauderdale](https://wsvn.com/wp-content/uploads/sites/2/2018/02/180221-justinkase-2.jpg?quality=60&strip=color)
Wisconsin teen develops door-locking mechanism to help stop active shooters - WSVN 7News | Miami News, Weather, Sports | Fort Lauderdale
Portable door locks designed by AFRL team could save many lives > Wright-Patterson AFB > Article Display
![JustinKase Active Shooter Lock Down Device - Universal Fit Wall Thickness - Fits Any Out-Swing Doors : Amazon.co.uk: DIY & Tools JustinKase Active Shooter Lock Down Device - Universal Fit Wall Thickness - Fits Any Out-Swing Doors : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/41JuF1IF7iL._AC_UF894,1000_QL80_.jpg)