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Why do firefighters break windows and cut a hole in the roof at a fire?

April 26, 2017break cut firefighters hole roof Windows

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Why do firefighters break windows and cut a hole in the roof at a fire?

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As a fire burns, it generally moves upward, then outward. Removing windows and cutting holes in the roof, or “ventilation” in firefighting terms, stops that damaging outward movement and enables them to fight more efficiently, resulting in less damage in the long run.