As part of the Close Before You Doze full-scale experiment on October 10, 2017, Steve Kerber, the Director of the UL Firefighter Safety Research Institute, took measurements in a bedroom with a sound level meter and recorded the difference between the loudness of a smoke alarm with the door open and the door closed. View this post and to learn more about the UL Firefighter Safety Research institute by visiting https://ulfirefightersafety.org/posts/close-before-you-doze-fullscale-test-part-iii.ht
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As part of the Close Before You Doze full-scale experiment on Oct…
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