The results were stark:
The room with the open door was fully engulfed in flames within minutes. Temperatures soared past 1,000°F, and thick, toxic smoke filled every corner.
The room with the closed door stayed dramatically cooler—under 100°F—with breathable air and minimal smoke infiltration, even as fire raged just outside.
That simple barrier—a closed door—bought critical, life-saving minutes to wake up, assess the situation, and escape.
And in today’s world, those minutes aren’t just helpful. They’re everything.
Why Modern Fires Spread Faster Than Ever
Decades ago, you had roughly 17 minutes to escape a house fire from the moment smoke alarms sounded.Doors & Windows