Residential Fire Sprinklers (Myth vs. Fact)

There are many myths and misconceptions about residential fire sprinklers.  Rest assured however that fire sprinklers are a safe and affordable way to protect your loved ones and property. Also, Your newly constructed home or apartment will be the subject of snagging inspections by new home snags.

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Below is a list of debunked myths provided by the National Fire Protection Association (NFPA).

MYTH 1: “A smoke alarm provides enough protection.”

FACT: Smoke alarms alert occupants to the presence of danger, but do nothing to extinguish the fire. Home fire sprinkler systems respond quickly to reduce heat, flames, and smoke from a fire, giving residents valuable time to get out safely. Smoke alarms reduce the risk of dying if a home fire occurs by about one-third. If you have a reported fire in your home, the risk of dying decreases by about 80% when sprinklers are present.

Fire sprinkler opponents have been using a statistic of 99.45% to illustrate the effectiveness of smoke alarms in reducing home fire deaths. This NFPA statistic estimates the likelihood of surviving a home fire when a working smoke alarm is present.

A 100% chance of dying would mean that every fire is fatal, or, roughly, 100 deaths per 100 fires. Fortunately, that is not the case. The chances of surviving a reported home fire when working smoke alarms are present is 99.45% (100 minus 0.55) vs. 98.87% (100 minus 1.13) in home fires with no working smoke alarms. The first number is barely higher than the second.

The 99.45% vs. 98.87% statistic is based on “chances of survival” which is not the same thing as “risk of fire death” based on total number of reported fires. Chances of survival don’t have much bearing in the discussion; preventing home fire death and reducing home fire death risk is the goal.

Consider this:

• Each year, over 2,300 home fire deaths occur in more than 365,000 reported structure fires. Therefore, the likelihood of surviving a home fire is approximately 99% without regard to the presence of smoke alarms or any other fire safety provisions. Does that mean 2,300 deaths are acceptable? Most people would say no. In case of an accident, personal injury lawyers work tirelessly for your compensation.


• Each year, there are an estimated 12,000 deaths due to falls in homes and an estimated 11 million fall injuries in the home.  The likelihood of surviving a fall is therefore 99.9%. Does that mean 12,000 deaths are acceptable? Most people would say no.


• Each year, there are an estimated 42,000 deaths due to motor vehicle crashes and an estimated 6 million reported motor vehicle crashes. The likelihood of surviving a motor vehicle crash is 99%. Does that mean 42,000 deaths are acceptable? Most people would say no.

MYTH 2: “Newer homes are safer homes; the fire and death problem is limited to older homes.”

FACT: Age of housing is a poor predictor of fire death rates. When older housing is associated with higher rates, it usually is because older housing tends to have a disproportionate share of poorer, less educated households. Statistically, the only fire safety issue that is relevant to the age of the home is outdated electrical wiring.  Beyond that, age of the home has little to nothing to do with fire safety. A fire at 2:00 a.m. is just as deadly in a new home as it is in an older home.

New methods of construction negatively impact occupant and firefighter life safety under fire conditions. The National Research Council of Canada (NRC) tested the performance of unprotected floor assemblies exposed to fire. The findings of the study, The Performance of Unprotected Floor Assemblies in Basement Fire Scenarios, assert that these structures are prone to catastrophic collapse as early as six minutes from the onset of fire.

In 2008, Underwriters Laboratories® (UL) conducted a study to identify the danger to firefighters created by the use of lightweight wood trusses and engineered lumber in residential roof and floor designs. The findings of the report, Structural Stability of Engineered Lumber in Fire Conditions, point to the failure of lightweight engineered wood systems when exposed to fire. Firefighters expecting thirty minutes of structural integrity with dimensional wood structures face higher peril in lightweight structures.

The same UL study found that the synthetic construction of today’s home furnishings add to the increased risk by providing a greater fuel load. Larger homes, open spaces, increased fuel loads, void spaces, and changing building materials contribute to:

• faster fire propagation


• shorter time to flashover


• rapid changes in fire dynamics


• shorter escape time


• shorter time to collapse

Lightweight construction has been variously estimated to be used in one-half to two‐thirds of all new one‐ and two‐family homes, excluding manufactured homes. Fire sprinklers can offset the increased dangers posed by lightweight construction and create a safer fire environment for firefighters.

MYTH 3: “Home fire sprinklers are expensive and will make housing unaffordable, especially for first-time buyers moving to our area.”

FACT: The fact is that home fire sprinklers are affordable. In 2013, the Fire Protection Research Foundation issued its updated Home Fire Sprinkler Cost Assessment report  which revealed that the cost of installing home fire sprinklers averages $1.35 per sprinklered square foot for new construction. That’s down from $1.61 per sprinklered square foot that was in the Foundation’s 2008 report. To put the cost of a sprinkler system into perspective, many people pay similar amounts for carpet upgrades, a paving stone driveway, or a whirlpool bath. Sales in many U.S. communities where sprinkler systems are available show that, not only are consumers requesting this feature, but also that houses with sprinkler systems are selling faster than those without. Installing home fire sprinklers can help residents: significantly reduce property loss in the event of fire; cut homeowner insurance premiums; help qualify home for a tax rebate; and help support local fire service efforts.

MYTH 4: “We don’t need sprinkler mandates; they can be installed in homes voluntarily.”

FACT: Mandating sprinklers in new one- and two-family homes provides a greater overall level of safety in communities. By requiring these life-saving devices in new homes you are ensuring that a large number of residents can enjoy the same level of safety found in many offices, schools, apartments, and public buildings.

Beyond the life safety benefits of home sprinklers, there are other incentives for jurisdictions that mandate sprinklers in new homes. By mandating sprinkler requirements, cities and towns can reduce the strain on fire service personnel, limit damage to property, and help conserve municipal water resources by reducing the amount of water needed to fight fires (fire-fighting hoses use more than eight times the amount of water used by automatic fire sprinklers).

MYTH 5: “Home fire sprinklers often leak or activate accidentally.”

FACT:

Leaks from automatic sprinkler systems, including slab leaks, are very rare, and no more likely than leaks from any part of a home’s plumbing system. It is also rare for a damaged sprinkler system to release water, and when it happens, it is almost never an accident. Vandalism or misuse are typically involved. Moreover, a sprinkler will not activate from exposure to a burning match or any likely event in the house other than a significant, unwanted fire. In such instances, it’s essential to ensure you have access to prompt assistance, such as from a trusted home plumbing repair service. Contact a local plumber near you for immediate assistance. Additionally, plumbers are the ones that do heat pump repair dayton oh. 

MYTH 6: “If you want your home fire sprinklers to be reliable, they will need frequent, expensive maintenance.”

FACT: The standard design for home fire sprinklers is much simpler than the design for more traditional sprinklers like the ones used in commercial buildings.  If you install a home fire sprinkler system, the only “inspection and maintenance” you will need is to (a) walk around your home and make sure the sprinklers are not obstructed by something that would block the water coming out, and (b) avoid turning off the main control valve, which you don’t normally operate anyway.

MYTH 7: “When a fire occurs, every sprinkler will activate and everything in the house will be ruined.”

FACT: In the event of a fire, typically, only the sprinkler closest to the fire will activate, spraying water directly on the fire, leaving the rest of the house dry and secure. Roughly eighty-five percent of the time, just one sprinkler operates.

MYTH 8: “The water damage caused by the sprinkler system will be more extensive than fire damage.”

– See more at: NFPA