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Old 12-21-2017, 11:57 PM   #1
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Jacking up the TT tires in storage for the winter.

I asked this question a while back and didn’t get a response. We store our TT in an outside storage center for the winter. We have a cover on it and we’ve ordered tire covers, but they are on back order. We’ve had several people to tell us we need to jack the tires off the ground and we’ve had people tell us just to park it with the tires on wood so it wouldn’t be on the cold asphalt. We live in the southeastern part of NC and it isn’t terribly cold for long periods of time. What is the general rule if there is one. Thank you in advance.

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Old 12-22-2017, 12:22 AM   #2
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My view:
1. For long term storage - more than a month or so. It is best to have the tires off the ground - no load. HOWEVER, that can be a pita and potentially dangerous. You would need to jack up the trailer and set enough jack stands or cement blocks under it to keep it stable. I don't do this.
2. Most manufacturers say that tires should not be stored long term on concrete or limestone. The lime does have an impact on tires if sitting. So it is a good idea to put some other product under the tires. Also, the tires should be clean and kept as dry as possible. I have not seen a tire manufacturer provide advice against storing on asphalt.
3. Manufacturers recommend that the tires be fully inflated (max pressure or appropriate pressure for load on tire) when put into storage. I have seen a couple of papers that recommend storing at full +5% pressure.
4. Plenty of recommendations saying sunlight is bad for tires. But then again few people cover car and truck tires. Seems like half of the tire and vehicle manufacturers say tires should be replaced at 5 years of age. The other half say that you should have a professional inspect tires annually starting at 5 years. I'm not convinced that sunlight will cause enough accelerated degradation in 5 years to make the tire covers worth the cost and effort involved. That and on a trailer, I feel that the stresses put on the tires from tight turning are sufficient that I will replace my tires at least every 5 years.


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Old 12-22-2017, 02:42 AM   #3
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You could measure the tires from front to back, get 2 pieces of 2" x 8" pressure treated lumber the same length as what you measured and put 1 piece under each side.

Be sure the pieces of lumber is longer than the contact area of the tires, with the added length and width of the lumber it will spread the weight on the tires over a larger surface of the blacktop and minimizing the chance of sinking in and leaving dips in the blacktop. Do the same for your tongue jack.
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Old 12-22-2017, 03:44 AM   #4
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Originally Posted by captain bill View Post
We’ve had several people to tell us we need to jack the tires off the ground and we’ve had people tell us just to park it with the tires on wood so it wouldn’t be on the cold asphalt.
I'd consider jacking the TT up if you don't plan to go RVing for a few or four yrs. Cold asphalt? Hmmm... We park our rig on asphalt for six to seven months of the HE double L of a winter we get in these parts - and all the way down to -40 on occasion. Been doing it that way for many yrs and the tires/suspension are none the worse for wear.

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Old 12-22-2017, 06:33 AM   #5
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Never jacked up a trailer for winter and I've owned them since 1984. Live in Eastern Nebraska, so the tires have gotten their share of cold, ice, snow, sleet. I do put on a tire treatment and cover them every winter.
Putting the tires on pieces of chemically treated wood, that is the same temperature as the asphalt ? Don't see the benefit.
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Old 12-22-2017, 07:18 AM   #6
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If it's going to stay parked for several years, then yes, I'd jack it up. If only for a few months over the winter then don't worry about it. Just make sure the tire pressure is maxed out.

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Old 12-22-2017, 10:29 AM   #7
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Thanks everyone, appreciate the feedback!
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Old 12-22-2017, 10:57 AM   #8
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Because of our climate, we regularly store our trailers for 5-6 months without moving them, Tires not jacked up. Been doing this since the 1960's. Never a problem.

I will add that someone showed me this and I seen the tire in question but could not scientifically verify the cause... a friend had stored his trailer on TREATED planks and the contact patch of the tire (to treated wood) had deterioration to the point it looked unsafe at that spot. He swore the chemicals in the treated wood leached out and reacted to the rubber.
I have seen some treated wood that was awfully 'wet' when first used or cut.

Since then, if I pull onto TREATED wood for any length of time, I'll throw something on the plank like a piece of plastic, coroplast or cardboard. Again, I can't say that was the cause but I can't say it wasn't, only that it happened.
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Old 12-22-2017, 12:06 PM   #9
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Owned trailers over the last 12 years and never jacked anything up. Nor have I ever walked onto a dealers lot and seen RVs jacked up off the ground.
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Old 12-22-2017, 12:35 PM   #10
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Owned trailers and campers for nearly 40 years never jacked one off the ground never covered a camper. Never had an issue or flat because of it.

Currently have 18 ST trailer tires on the ground pretty much for the winter, that's where they will be this spring....



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