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Old 11-14-2014, 01:07 AM   #1
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Tire covers

I have noticed tire covers that are gray. Would the gray colors cause excess heat?
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Old 11-14-2014, 02:42 AM   #2
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Can also get black ones.
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Old 11-14-2014, 05:07 AM   #3
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Tire covers are not to reduce heat, but to protect the tires from UV rays that cause tires to age out more quickly.
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Old 11-14-2014, 06:23 AM   #4
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I went with white just to keep the heat down. They are very cool to the touch when the sun is shining directly on them. Cant hurt !

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Old 11-14-2014, 01:42 PM   #5
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I had white...D/W didn't like them, now we have black...they match the MH trim.
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Old 11-14-2014, 04:20 PM   #6
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I'm confused about the heat/UV thing. I know that the lighter the color the more heat it will reflect, but does that not have anything to do with the UV rays?
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Old 11-14-2014, 04:24 PM   #7
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If one uses tire covers, can replacement time be extended? If so, what is the time without covers...and what is the time with covers? Or do I just end up throwing away perfectly good 100,000 mile tires that only have 30,000 miles on them and have absolutely no checking...because they have reached some arbitrary age?
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Old 11-14-2014, 05:06 PM   #8
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Seems that black tire covers kinda defeat the reason to have a cover on. When we raced cars and bought tires we were told by the manufacturers to keep them stored in sealed plastic bags and in a cool dark place. The reason they gave was that a tire is made with petroleum and it will evaporate in the heat and time. I know when we tested the tires with a hardness gauge it did make a difference JMHO.
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Old 11-15-2014, 10:54 AM   #9
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Heat is infrared radiation, not ultraviolet (UV).

Sure, a black cover increases the heat a bit on the sunny side, but the tire is still fully exposed at the back and attached to a massive heat sink (the chassis), so I think worrying about heat is a waste of time. You might recall that the tire itself is black, so its gets heated all the time when it is not covered too.

IMO this is simply not something worth worrying about. If a black (or gray or brown) cover suits your style better, go for it. If color is not an concern, go with white cause its more reflective in most radiation ranges. Better yet, silver.
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Old 11-15-2014, 10:59 AM   #10
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I agree, I don't think the color of the tire cover matters that much. The primary objective is to block the UV rays (and to keep the aluminum wheels shiny!). \ken
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Old 11-15-2014, 11:31 AM   #11
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Any cover is better than no cover. And since heat is a big enemy of tires, in addition to blocking UV I prefer to keep them as cool as possible, so I prefer white covers. How much difference white vs black covers might make over the life of the tires may not be easily determined but when it comes to heat on tires less is better.

A couple of years ago an engineer on one of the groups did a study of tire temp with various covers and no covers. I have searched for his post but haven't found it. He found that white kept the tire significantly cooler than black, but black was better than none.
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Old 11-19-2014, 12:43 PM   #12
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Roger Marble is the tire engineer. He likes tires covers. Find his articles on his website:
RV Tire Safety

There are a gazillion things you might do to give your RV's components a better chance at long term survival. Or your car, for that matter. You probably can't do all of them, at least not at reasonable cost, so you have to pick and choose.

Many experts focus on just one aspect of maintenance and want you to spend all your time and money optimizing that one thing, sometimes at the expense of other things, and sometimes to prevent obscure things from possibly affecting your RV. At the end of the day, you have to make your own calls.
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Old 11-22-2014, 04:07 PM   #13
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Hi Air Baron,
You are correct. Own a coach long enough and you'll replace what looks like very good tires due to age. What age one replaces their tires at is a very religious question. Michelin says 10 years maximum. Now that depends on how well one takes care of the tires. Covered when not in use, inflated to the PSI recommend for the weight being carried, cleaned and dressed frequently to maintain that new tire look and help the tire chemicals, etc., etc. I've worn the tread out only on one set of tires and that was back in the 90's (might have been the 80's). Other than that, I take the manufactures recommendation and am anal about tire care and maintenance. Sometimes there is a problem with a tire which I address very quickly. So for me, unless there is a problem, the manufacturer's recommendation has worked well.
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