Where to install a smoke detector and its positioning are as important as having this life saving device installed at all. Placing a smoke detector in a wrong location might delay its response to smoke or even prevent it from sounding an alarm at all.
Although, you should install smoke alarms by following device manufacturers guidelines, and the NFPA standards (National Fire Protection Association), your local jurisdiction might have a different idea. This idea is usually LESS smoke detectors – Chicago is one of the examples.
Since it is your life we are talking about, following just a minimum requirement is not enough – for literally a few dollars more, you can get maximum protection.
Proper Placement of a smoke alarm based on IRC (International Residential Code), IBC (International Building Code) and NFPA:
While remodeling, updating of electrical wiring to interconnect existing smoke alarms is not required unless the wall finishes are being removed exposing wall framing. However, even without any rewiring you can still achieve maximum protection by using an interconnected wireless smoke alarm detector system.
Smoke detector placement – rules apply to all of the locations described above.
This is extremely important and at the same time quite simple, unfortunately very often done completely wrong. It’s probably because we don’t like to read the manuals and often assume that we know what we’re doing.
Before placing a smoke detector on the ceiling or wall, consider checking the house insulation. Older homes might be missing a ceiling (if open to the attic) or exterior wall insulation. This would allow extreme heat or cold transfer from exterior into the house, creating a thermal barrier, and prevent smoke from reaching / activating the alarm. If this is the case (you can simply touch the wall or ceiling during very hot or cold days), mount a smoke detector on an interior wall of the house.
DO NOT install smoke detectors in following areas to minimize possibility of false alarms:
If you decided to have one installed in those areas, photoelectric type smoke alarm might be less annoying.
If you got that far, I hope you have more than a general idea on where to install smoke detectors in your house, and what is the optimal smoke alarm placement.
Source by Dariusz Rudnicki
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