For many, buying a smoke alarm, sticking it on the ceiling, and calling it a day seems easy enough. And to be honest, it makes sense. The smoke alarm is installed, the checkbox has been ticked. However, placing a smoke alarm is almost as important as having one at all. If one is placed in an unfortunate position, it may not go off until the fire spreads long enough that the time frame has closed for an easy escape.
And it’s not an isolated incident. This is one of the most undervalued thoughts in the world of fire safety and too many people are caught unaware of such a concept more often than it should be.
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Why Placement Changes Everything
Smoke moves. It goes up to the ceiling and across doorways and hallways, down to a point where it can be breathed. A smoke alarm that is too far from where the smoke starts or too far in a room or an inconvenient corner/cross of a hallway will not detect the displacement in time.
The goal is not to just detect smoke. It’s to detect smoke ASAP. Two minutes into a fire when an alarm goes off versus five minutes means someone could have still been able to walk out. It’s not a myth, this is true for victims of residential fires. Therefore, it pays to have high quality devices installed in an appropriate area. Choosing a reliable device helps, and something like FireAngel smoke alarms pairs that reliability with sensor technology built to perform across different rooms and conditions, which makes thoughtful placement all the more worthwhile.
Every Floor Needs One
At least one smoke alarm per floor is what’s recommended for general use standards. One will not cut it for a whole house. There should be at least one on each floor of the home with hallways connecting sleeping quarters to the rest of the home as well. Why? Because if someone is sleeping in the upper landing when there’s a fire in the kitchen, no one will get access to sufficient time to exit if one alarm is by the front door.
Additionally, they may want to consider putting one directly in the room, or just outside, of each bedroom. This means if someone closes their door, which is a good idea since it slows fire spread, at least they’ll get the earliest notification when they need it most.
The Kitchen Dilemma
Kitchens are arguably the leading cause of where fires start within the home but kitchen smoke alarms are considered some of the worst places to install devices. Toast burning, steam and overall cooking activity create nuisance alarms which people disconnect batteries for or take them down altogether. Not good. And it happens in homes more than what one thinks.
An effective alternative is to keep alarms at least three meters from cooking appliances. In addition, placing optical alarms instead of ionisation ones are less likely to trigger nonsense alarms during this time, which means placement across other rooms becomes easier for consistently good results.
Ceiling Mounted vs Wall Mounted
Ceiling mounted devices are best considering smoke rises and will activate at a higher level anyway. If it cannot be mounted at the ceiling, wall mounted devices can remain 6 to 12 inches from the ceiling because that excess space means where smoke will accumulate when it first ignites.
It’s also important not to mount these devices too closely in corners or next to walls as air pockets can sometimes trap there and create dead air spaces that prevent alarms from going off timely. For example, anywhere up to 12 inches from corners keeps smoke detectors out of these unnecessary spaces and encourages more effective results.
Hallways and Stairs Count
People often forget about hallways and stairs as separate spaces but they are not. These areas allow smoke to travel into living spaces other than where it started. An upper hallway situated up there can catch the flow of smoke early.
Likewise with loft conversions and additional levels. If your home has multiple levels or loft conversions, you must place them up there, too—they’re not excluded by virtue of occupancy.
Interconnected Alarms
Hardwired interconnected alarms or wirelessly interconnected alarms mean that if one gets tripped, they’re all connected and sound. Even if they’re in another part of a house, the bedroom will sound an alarm if there’s a fire starting there 3 rooms away.
This makes placement even that much more important because when they’re interconnected it’s not just the placement device that is working but rather all the interconnected components acting as one together versus acting independently without help. One good placement with connection might keep someone awake who is sleeping down the hall—even if they can’t see it—but they at least have audio now working on their behalf.
When it’s Never Too Early to Check Your Smoke Alarms
It’s hard to believe that even so many homes have fewer smoke alarms than they need, and for those with what they need, they aren’t correctly placed either. It’s easy to think fire safety will be re-visited down the line when that “down the line” never comes until people wish it had.
It takes less than 20 minutes tops to check locations for smoke alarms. Without excess cost (aside from possibly purchasing 1-2 more), it’s well worth it for time saved if people find themselves needing them in an emergency situation—no other renovation to a house can top that advantage.
