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Old 01-28-2016, 07:37 PM   #1
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Protecting Tires

Howdy all,

Everyone knows how the sun can harm your tire rubber. I have a more detailed question to pose regarding that. I've always wondered about one variable.......

How long does it take generally for the sinister ultra violet rays to do their damage? I say generally too because I assume there is a margin one way or the other based on where you and your tires are....(climate).

Further; I bought my coach new, but it sat on the lot for a whole year without tire shades before I came along. What about that time period?

What are your thoughts/experiences on this?

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Old 01-28-2016, 09:55 PM   #2
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You'll get different opinions but the general rule of thumb is to check very carefully at 6-7 yrs. Keeping the tires covered or stored indoors will help extend life. If in doubt have then inspected by someone familiar with your tires.
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Old 01-28-2016, 10:10 PM   #3
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Was the lot it sat on in Seattle or Phoenix? As you mentioned, it has a lot to do with the intensity of the sun, etc. ToniDi sums it up pretty good. Wait till the rest come along and chime in.
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Old 01-28-2016, 10:20 PM   #4
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Thank you Tony I appreciate the reply!

I may give Michelin a call and hear their advice......I'll post my findings from them here (if any) for others who may (or not) have the same questions as I do regarding this.

I still want to hear from more owners out there too, I value everyone's experience and opinion.

Thanks again,
W.D.
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Old 01-28-2016, 10:28 PM   #5
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Thanks to you too 530ktm!
It was Tennessee actually, hot in the summer.

I noticed your name 530ktm, just curious, you wouldn't happen to be a KTM rider would you? I raced KTMs years ago.

W.D.
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Old 01-28-2016, 10:31 PM   #6
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One variable that will help accelerate the damaging affects of ultraviolet rays is prolonged stationary periods ........tire compounds contain various emollients and waxes (that protect their sidewalls against the effects of ozone contamination) and carbon black (that offers protection against UV damage).

The motion of rolling down the road allows the wax and emollients to work its way up to the surface of the tire and offers protection against ozone contamination.

Carbon Black has to be reapplied periodically to further help......303 303 Aerospace Protectant not those products that contain petroleum products, alcohol, and/or silicone material due to a possible chemical reaction with the antioxidant material in the tire.
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Old 01-29-2016, 09:30 AM   #7
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Electra, I bought a new set of Michelins when I bought our coach in mid 2012. When I know we'll be parked for a while (>~2 wks) I place plywood/plastic pads under the wheels, wash the tires and apply 303 to the outside (exposed) areas, and cover them. So far they still look like new.

For good info and advice on tires, Roger Marbles is your guy. He's a retired tire design and test engineer from one of the major tire companies. Frequents a few of these fora under the name Tireman9, and runs a tire blog under the same name.


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Old 01-29-2016, 09:39 AM   #8
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I would also recommend Aerospace Spray on your tires 2-3 times per year whether you cover them or not.
303® Aerospace Protectant™ for long-lasting finish and shine
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Old 01-29-2016, 10:09 AM   #9
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I use 303 too. But I don't adhere to their frequency of application:

"Apply every 3-5 weeks for maximum UV protection."
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Old 01-29-2016, 10:20 AM   #10
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Quote:
Originally Posted by Electra 225 View Post
Thanks to you too 530ktm!
It was Tennessee actually, hot in the summer.

I noticed your name 530ktm, just curious, you wouldn't happen to be a KTM rider would you? I raced KTMs years ago.

W.D.
You are correct, been riding dirt bikes for 45 years and still love it.
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Old 01-29-2016, 11:46 AM   #11
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Quote:
Originally Posted by Electra 225 View Post
Howdy all,

Everyone knows how the sun can harm your tire rubber. I have a more detailed question to pose regarding that. I've always wondered about one variable.......

How long does it take generally for the sinister ultra violet rays to do their damage? I say generally too because I assume there is a margin one way or the other based on where you and your tires are....(climate).

Further; I bought my coach new, but it sat on the lot for a whole year without tire shades before I came along. What about that time period?

What are your thoughts/experiences on this?


I think that what is done, is Done!

You cannot undo any UV damage that your tires have incurred.

So, continue to monitor the sidewalls for major cracks that may develop.

Cover the tires with 303 or covers or both and enjoy the rest of the life of your current tires.

When you buy new, you can start over again.

Do not worry about things which you can do nothing......
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Old 01-29-2016, 06:07 PM   #12
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Thanks again to all for the info, I appreciate it!

W.D.
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Old 01-29-2016, 07:08 PM   #13
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My 295/80R22.5's have never been covered (and I live in sunny Florida) and they still last 7+ years.

If I covered them, I bet I could get at least 84 months...
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Old 01-30-2016, 09:28 AM   #14
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Quote:
Originally Posted by Gary RVRoamer View Post
My 295/80R22.5's have never been covered (and I live in sunny Florida) and they still last 7+ years.

If I covered them, I bet I could get at least 84 months...
That's a great endorsement...what brand/type do you have?
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