Keep in mind that garage fires tend toward burning liquids (gasoline, paint, etc.) and electrical equipment (vehicle wiring, shop tools, air compressors, etc.). These are class B and C fires, so you want a fire extinguisher that is higher rated for those fire classes. Share. Improve this answer. answered at 5:53. Max Bucks. 512 3 2.
Keeping a safe in your garage would be much less of an issue if it was heated. However, the cold isn’t the problem that directly affects your guns. It’s the humidity that develops from frigid weather. Moisture is the mortal enemy of firearms because it causes them to rust. The ideal temperature you should keep your safe at is around 70°F.
Can Fire Extinguishers Be Kept Outside? (Essential Reading!)
No. Outside fire extinguishers need a little extra help. Extreme heat and UV rays, blowing dirt, freezing temperatures, rain and snow are not good for fire extinguishers. For your outdoor fire extinguisher, consider a Class K type, mount it in a highly visible spot, and then protect it from the elements.
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Can a fire extinguisher get too hot to work?
Since temperatures are more likely to approach 120 degrees Fahrenheit (for instance, a fire extinguisher in a car on a hot day could easily reach a temperature of 120 degrees), the extinguisher is more likely to get too hot to operate than too cold.
Can I store my Fire extinguisher outdoors?
Even in normal temperatures, storing your fire extinguisher outdoors and subjecting it to precipitation and humidity can cause rust and corrosion that may result in the canister losing pressure, rendering it unusable.
How big a fire extinguisher do I need for my house?
The National Fire Protection Association recommends that you have a fire extinguisher on each floor of your house. Bigger canisters are better for locations that won’t be trafficked often, like a garage, while a five-pound canister is suitable for a kitchen or laundry room.
How cold is too cold for a fire extinguisher?
Storing your fire extinguisher at temperatures below -40 degrees can cause cracked hoses and valves, and depending on the type of extinguisher, freezing can occur.
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That time my fire extinguisher went off in the garage. Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher