![mannmcgowangroup on Twitter: "With the warm weather upon us it's tempting to prop open doors. But STOP!! #fire doors need to stay shut, they are a vital part of a building's fire mannmcgowangroup on Twitter: "With the warm weather upon us it's tempting to prop open doors. But STOP!! #fire doors need to stay shut, they are a vital part of a building's fire](https://pbs.twimg.com/media/DbNvjbjXcAAcdwi.jpg)
mannmcgowangroup on Twitter: "With the warm weather upon us it's tempting to prop open doors. But STOP!! #fire doors need to stay shut, they are a vital part of a building's fire
Uvalde shooter entered Robb Elementary School through propped open door, police say | The Independent
University of Colorado Police Department - As our Residential Safety Officials (RSO) patrol each night, in and around the residence halls, they often find doors propped open. Please don't prop doors open
![Door failures noted during study: (a) Propped open; (b) Wedged open... | Download Scientific Diagram Door failures noted during study: (a) Propped open; (b) Wedged open... | Download Scientific Diagram](https://www.researchgate.net/publication/290150711/figure/fig2/AS:461383969054721@1487013918076/Door-failures-noted-during-study-a-Propped-open-b-Wedged-open-2-c-Propped.png)
Door failures noted during study: (a) Propped open; (b) Wedged open... | Download Scientific Diagram
![FF: Do Not "Prop" This Door Open - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene. FF: Do Not "Prop" This Door Open - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.](http://idighardware.com/wp-content/uploads/2017/04/Prop.jpg)