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The Daily Horizon

How long can trailer tires sit?

Author

Isabella Bartlett

Updated on January 20, 2026

A tire that is not in use can degrade from ultraviolet (UV) exposure. The life expectancy of a trailer tire varies from manufacturer to manufacturer; however, most are between 3 to 8 years, regardless of mileage.

How old can trailer tires be and still be safe?

Even if the tire tread has plenty of depth left and you can't see any cracking with the naked eye, the generally accepted rule of thumb states that trailer tires should be replaced after about 6 or 7 years. Yours are about twice that age.

Do trailer tires get flat spots from sitting?

Allowing your trailer to sit directly on the ground for extended periods of time can cause a problem with your tires known as “flat spotting.” This occurs because tires have memory: when they don't move for any length of time they remember the position in which they were parked.

How do you keep trailer tires from dry rotting?

One method to avoid the heat and delay the occurrence of dry rot is to jack up your trailer tires when they are not in use to keep them from the ground. An alternative message is to position your wheels on thin plywood boards so the tires don't have direct contact with the hot ground.

How long do tires last before dry rot?

Tires can dry rot in as little as two years. When taken care of properly, most tires have a six-year lifetime with a maximum of ten years. Dry rotting typically happens when tires are in direct sunlight or stored wet environment.

RV Tires [Know When to Replace]

How often should you replace trailer tires?

Generally trailer tires should be replaced every 5 to 6 years regardless of mileage and use. This "clock" can be started once the tires are mounted to your trailer, assuming they were stored in a controlled environment between the manufacturer date and the day they were mounted.

Should trailer tires be rotated?

Trailers, just like vehicles, need their tires rotated too. To avoid mechanical problems both minor and major, it is recommended that you rotate your trailer tires.

What happens when tires sit for a long time?

Tire Deterioration

Your wheels carry the full weight of the car, so when your vehicle is left in one stationary position, your tires can soon become deflated, flat, rotten, or warped. While inflating the tires can help, it's not always safe to drive on tires that sat in the garage for too long.

How do I keep my trailer tires from going flat?

What Preventative Measures Can I Take to Prevent Flat Spots

  1. Inflate your tires to manufacturer-recommended levels and checking the tire pressure often.
  2. Wash your tires to remove harmful elements.
  3. Cover your tires with UV-protectant covers.
  4. Keep the vehicle out of sunny areas in a covered parking area.

Will flat spots in tires go away?

The flat spots will disappear once the tires have reached their operational temperature and regained their normal shape. Semi-permanent flat-spotting will occur if the tires have been standing still under vehicle load for a month or longer.

Do tires expire if not used?

If not used, tires last for 6-10 years, depending on the storage and environmental conditions. Overall, the time limits for stored tires are much the same as for tires that are being used.

Are 10 year old tires safe?

Any tire over ten years old is too weak to ensure safe driving. At this age, it's imperative that you replace your tires. For your safety, we will not service any tires aged 10 years or older.

Are 5 year old tires safe?

Industry standards recommend that 10 years old tires are absolutely unsafe and should be removed from storage. However, early signs of deterioration start once tires cross the 5-year mark. As a result, manufacturers and mechanics warn against the use of 5-year-old unused tires.

How can you tell if a trailer tire is dry rotted?

If one or more of your tires has developed dry rot, you may notice the following warning signs:

  1. Brittleness. Dry rot dries out your tires. ...
  2. Cracks on the tread. Advanced dry rot can cause small cracks on the outside edges of your tire tread. ...
  3. Cracks on the sidewall. ...
  4. Faded color.

What PSI should trailer tires be at?

What psi Should Trailer Tires be Inflated To Trailer tires should always be inflated to the maximum air pressure indicated on the tire. The tire on tire and wheel combo #AM30620 for example should be at 90 psi.

Why do travel trailer tires keep blowing out?

A lot of trailer tire blowouts are a result of heat build up that causes the tire to fail. There are several things that can cause too much heat to build up but the main two most likely suspects are overloading the trailer and/or under inflated tires.

How do I protect my trailer tires in the winter?

How to Protect Trailer Tires in Winter

  1. Trailer tire storage options. ...
  2. A proper scrub & wash. ...
  3. Tire and wheel covers. ...
  4. Lift or elevate tires. ...
  5. A little push or a pull. ...
  6. Reasonable overinflation. ...
  7. Empty the load. ...
  8. Wheel & tire removal.

Should I store my RV with tires off the ground?

If you're planning to store it for an extended period, between 1-3 months, having the RV tires off-ground would be fine. Still, some RV users suggest not completely lifting the tires off the ground because doing so potentially causes damage to the tires or the RV frame.

Should I fill trailer tires to max PSI?

When it comes to trailer tires you always want to have them inflated to their max psi when cold. Not only do you get the full capacity at the max psi, you also will generate less heat in the tire since there won't be as much flex in the sidewall, you'll get better wear and better fuel mileage.

Should you balance utility trailer tires?

The answer is yes, you should. Although you may meet RVers and travel trailer owners who disagree, balancing your travel trailer tires is actually necessary for improved performance, tire longevity, and safety factors. Passenger vehicle tires need to be balanced for ride stability and comfort, as well as for function.

Should I add air to my tires when towing?

For towing, tires should be inflated to the max cold pressure listed on the sidewall of the tire. Even if you're only towing half the weight your vehicle/tires are able to handle, half the max cold PSI DOES NOT support half of that maximum load, there's a steep drop off of load carrying capability compared to pressure.

Can tires dry rot in 3 years?

Tires age as soon as they're manufactured, ideally lasting up to 10 years, but shipping, handling and exposure accelerate aging and dry rot, shortening their life. If a tire dry rots, tire components, such as the tread, sidewalls, belts or bead wire, may separate.