00:00One simple action before bed could save your life in a house fire.
00:04Close your bedroom door.
00:06Worried about hearing your child?
00:07A baby monitor can help you hear them with the door closed.
00:11Leaving it open actually gives smoke and heat a direct path into their room.
00:16A closed door creates a barrier, slowing the spread of flames, intense heat, and toxic gases.
00:22It also limits airflow that can feed the fire.
00:24Researchers at UL's Fire Safety Research Institute tested this in a full-size model home, starting a fire in the
00:32living room.
00:32Two bedroom doors were closed. One was open.
00:35Four feet above the floor, the open bedroom reached 500 degrees Fahrenheit.
00:40The closed bedroom door peaked just at 100 degrees.
00:44Peak carbon monoxide levels were 10 times higher in the open bedroom.
00:48A simple closed door made a dramatic difference, and that protection can buy critical time.
00:52The science has been studied for years.
00:54Close before you doze is the campaign spreading the message.
00:57Have working smoke alarms inside every bedroom, outside sleeping areas, and on every level.
01:02Practice your family's escape plan, and tonight make closing bedroom doors part of your bedtime routine.
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