Can a fire extinguisher be exposed to sunlight?

Author: Ephraim Bahringer  |  Last update: Thursday, June 11, 2026

Fire extinguishers should be out of direct sunlight. Ultraviolet sunlight degrades all seals and parts rapidly. Fire extinguishers are no exception. On average, fire extinguishers exposed to sunlight tend to deteriorate faster than those out of direct sunlight.

Is it okay to leave a fire extinguisher in the sun?

If you want to be cautious, you should store your extinguisher near the floor and out of the sun. It will stay a lot cooler than the temperature near the roof line. The far more serious issue with fire extinguishers is whether you can safely use them if your car or truck does catch fire.

Can a fire extinguisher stay in a hot car?

Fire extinguishers can be kept in an automobile, RV, or trailer as long as temperatures do not fall outside of the range of -40 to 120 degrees Fahrenheit.

Can a fire extinguisher be left outside?

You can store a fire extinguisher outdoors, however, it must be in a secure place and away from the elements. NEVER store an extinguisher in your garage or shed unless it is locked away, out of sight and protected. If your fire extinguisher is not in use, then it should be stored in a cool, dry place at all times.

What happens if a fire extinguisher gets too hot?

Here's what could happen: Explosion Risk: Many fire extinguishers are pressurized containers. If exposed to extreme heat, the pressure can build up, potentially causing the extinguisher to explode, which could result in shrapnel flying in all directions.

How to Use a Fire Extinguisher

How do fire extinguishers go bad?

The hose or nozzle is cracked, ripped, or blocked with debris. The metal locking pin on the handle is missing or if the safety seal is missing/not intact/ The handle is wobbly or broken. The inspection sticker or hang tag, with a record of checkups and maintenance, is missing (if used in a commercial application).

How much heat can a fire extinguisher handle?

It depends on a few factors, like the type of fire extinguisher, but a typical ABC fire extinguisher can operate in temperatures ranging from -65 to 120 degrees. Whether you work outdoors or in uninsulated spaces, make sure your fire extinguishers are stored properly so they work as they should when you need them to.

Can you leave fire extinguisher in garage?

If you have a fire extinguisher, it should be placed where it is easily accessible. The kitchen and garage are good sites for an extinguisher.

Where should you not keep a fire extinguisher?

But it shouldn't be installed in the immediate vicinity of the stove, where smoke and flames could block access. If you have a small kitchen, you may need to mount the kitchen extinguisher on a wall in the adjacent room—as long as it's easily accessible from the kitchen.

Should fire extinguishers be covered?

Covers are often used for protection of extin- guishers in outdoor applications, including vehicles like trash trucks and fuel trucks. Extinguisher cabinets are also needed for protection of extinguishers in outdoor environments, like self-service gas stations and industrial areas.

Does a fire extinguisher need to be stored upright?

Yes, all fire extinguishers should be kept in an upright position.

Can you keep a fire extinguisher in the trunk of your car?

Many suggest keeping your fire extinguisher in your trunk, but that's not the best idea. It means you don't have instant access to it, and wasting time during a fire can lead to significant damage. Fires can quickly grow to unmanageable sizes.

How hot can a car get in the sun?

All it takes is an 80-degree Fahrenheit day to bring the normal car temperature to triple digits. After just 20 minutes on an 80-degree day, the CDC says the inside of a car can hit 109 degrees Fahrenheit. After 40 minutes, it hits 118 degrees, and after an hour, it can hit 123 degrees.

What not to do with a fire extinguisher?

What should you not do when using a fire extinguisher?
  • Don't ignore the instructions on the fire extinguisher. ...
  • Don't use the wrong type of extinguisher for the wrong type of fire. ...
  • Don't rush towards the first unprepared. ...
  • Don't stand too close to burning liquid when attempting to extinguish it.

Is it bad to store a fire extinguisher on its side?

A modern fire extinguisher can be stored horizontally. The contents are under pressure, and the angle of storage will not cause the system to leak. Proper fire extinguisher storage includes using the appropriate mounting brackets, and being sure that you do not allow your extinguishers to freeze.

Can I mount a fire extinguisher on the outside of my truck?

Mounting and Securing Fire Extinguishers

It must be securely mounted within the vehicle, so it does not roll, slide or become jostled with the vehicle's movement.

What is the golden rule of fire extinguishers?

The golden rule is that only one extinguisher is used. If that fails to extinguish the fire, STOP and leave.

Can I keep a fire extinguisher in a hot car?

Myth 1.

Can a fire extinguisher explode if you leave it in your car in the hot sun all day? The short answer is, no need for worry with a UL listed fire extinguisher.

How long does a 5 pound fire extinguisher last?

When you purchase a new carbon dioxide, pressurized water, or wet chemical extinguisher, you can expect it to last at least five years. For dry chemical extinguishers, the minimum lifespan is 12 years.

Can fire extinguishers be stored in direct sunlight?

Constant and more prolonged exposure to direct sunlight, rain, moisture, and other elements can cause damage to the fire extinguisher, so storing appropriately in a cabinet can prevent this. Storing fire extinguishers in cabinets also prevents any tampering.

Where is the best place to put a fire extinguisher in your home?

Place fire extinguishers within reach on every level of your home. For your main home protection, install a 2-A: 10-B:C rated living area unit on every level of your home. Install close to exits, and in the kitchen and garage. Include all locations where a fire may start.

What are the OSHA rules for fire extinguishers?

A fire extinguisher, rated not less than 10B, shall be provided within 50 feet of wherever more than 5 gallons of flammable or combustible liquids or 5 pounds of flammable gas are being used on the jobsite. This requirement does not apply to the integral fuel tanks of motor vehicles.

Can a fire extinguisher be kept outside?

Traditional steel fire extinguishers can be left outside if they are in a weatherproof cabinet or box. P50 Service-Free Fire Extinguishers can be left outside without extra protection from the weather. This is because they are completely weatherproof and do not corrode.

What is the 75 rule for fire extinguishers?

The employer shall distribute portable fire extinguishers for use by employees on Class A fires so that the travel distance for employees to any extinguisher is 75 feet (22.9 m) or less.

Can I store a fire extinguisher in my garage?

While it's a great idea to have a fire extinguisher in your garage, make sure it's positioned in a protected way and not exposed to potential harm from sharp tools or vehicles.

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