Closeyourdoor.org, a fire safety website created by the UL Firefighter Safety Research Institute (FSRI).
UL FSRI conducts research burning two residential fires, one composed of materials commonly used in the 1970s, the other composed of common materials used today.
UL FSRI conducts research igniting a fire in a family room of a 3200 square foot home and measuring the conditions in two bedrooms on the second floor. One bedroom has an open door and the other bedroom has a closed door.
ABC News - Good Morning America "March 15, 2017 – Can children sleep through a smoke detector alarm?"
The Today Show "November 11th, 2015 – New research: To stay alive in a deadly fire, close your door"
NBC 6 News South Florida "Close the Door: It Can Provide Life-Saving Seconds in Fires" (5/19/2016)
NBC 5 News Dallas-Fort Worth "How Closed Doors Can Provide Life-Saving Seconds in House Fires" (11/9/2015)
WSAZ NewsChannel 3 "Fire department warns people to shut their bedroom door" (8/11/2016)
KDKA - CBS 2 Pittsburgh "Closing Your Bedroom Door Could Save Your Life" (11/10/2014)