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Where should a smoke detector be placed on a tray (coffered) ceiling?
Friday, December 4, 2020
A smoke alarm should be placed on the highest part of a tray-shaped (coffered) ceiling, or on the sloped part within 12 inches of the highest point, according to the National Fire Protection Association [NFPA 72, 29.11.3.4(12), 2019 edition].
Smoke rises first to the highest point of a ceiling, then moves downward as it accumulates. So a location on the lower ceiling level, like in the photo above, will take longer to respond to a fire.
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Here’s links to a some of our other blog posts about SMOKE AND CO ALARMS:
• How close can a smoke detector be to a ceiling fan?
• What is the difference between a smoke alarm and a fire alarm?
• How close can a smoke detector be to an air conditioning/heating supply register (vent)?
• How close can a smoke detector be to a bathroom door?
• Should a smoke alarm be installed in the kitchen?
• Where are smoke alarms required to be located?
• Are carbon monoxide alarms required to be installed in homes in Florida?
• When should I replace my smoke alarms?
• What is the best place to install carbon monoxide alarms (CO detectors) in a house?
• What does the new Florida smoke alarm law require?
• Why are carbon monoxide (CO) alarms required by law for homes in Florida?
• When were smoke alarms first required to be interconnected?
• How can I tell the difference between a smoke detector and carbon monoxide (CO) detector?
• When were smoke detectors/alarms first required in Florida?
• What is the minimum height for placement of a CO alarm (carbon monoxide detector)?
• Where does the code require CO alarms (carbon monoxide detectors)?
• Is it illegal to disconnect a smoke alarm?
• Where should smoke alarms NOT be installed?
• Does a home inspector test smoke alarms?
• Does a home inspector test CO carbon monoxide alarms?
• Why does my CO alarm (carbon monoxide) keep chirping after replacing the battery?
• What is the average life expectancy of a CO carbon monoxide detector?
• What is the average life expectancy of a combination smoke and CO carbon monoxide detector?
Visit our SAFETY page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.
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