A fire extinguisher canister made with water mist and pressurized water—as well as AFFF foam, FFFP foam and class K extinguishers—will freeze when left out in temperatures below 40 degrees Fahrenheit.
At what temperature will a fire extinguisher explode?
At temperatures above 120 degrees, the fire extinguisher will still function, but the discharge time may be a little shorter than the 9 to 10 seconds required by UL. UL requires the fire extinguisher to be able to withstand storage at 175 degrees without rupture.
Can fire extinguishers be placed outside?
Fire extinguishers should not be kept outside, but be protected from the elements in a safe and easy to access location nearby. Heat, cold, UV rays, wind, rain and snow are not good for fire extinguishers, especially Class K dry powder extinguishers which are recommended for general household use.
Can fire extinguishers freeze and explode?
Freezing does not cause fire extinguishers to explode, but it can cause the canister to crack, or just render it useless because of the frozen contents. … This means you must not allow an extinguisher to sit in freezing temperatures for several hours or days.
Can I store fire extinguisher in garage?
Most garages and workshops house flammable materials. Store a fire extinguisher near these collections of flammable materials. If your garage and workshop are not temperature controlled, consider whether your fire extinguisher will remain within the safe storage temperature range.
Where should I store fire extinguisher?
To prevent damage, fire extinguishers should be mounted on brackets or in wall cabinets. They should also be placed in areas that are quickly and easily accessible. The NFPA recommends having at least one fire extinguisher on every floor in the home.
How do you keep a water fire extinguisher from freezing?
The best and simplest way to keep fire extinguishers in good condition and prevent them from freezing is to take one heaping, double handful of common salt and dissolve it in a small quantity of hot water.
Can you store fire extinguisher under sink?
Storing your extinguisher
It’s also extremely important that you know how and where to store your extinguisher so that it’s readily available if and when you need to use it. Like Pressler said, you shouldn’t keep it under a sink or in a dusty old corner.