Our class B is parked on concrete, outdoors, all the time. It's a 20' PW Excel TD. Did I read somewhere about a mat that can be put under the vehicle (and driven up on)to prevent the concrete from leaching moisture out of the tires? We recently had to replace tires, not because of wear, but because of that fine line cracking of the sidewalls. Of course, our desert heat and sunshine doesn't help much either. Thanks for any info.

heat sun and ozone kill tires.long periods sitting form flat spots.get some tire covers ( I noticed in November alot of those darn election signs are being used to shade tires!)when sitting for long periods, I use jackstands to relieve some of the weight from the tires and suspensionI have a big jack...I have jackstands already so no added cost.or...just start it up and drive a few miles every couple of weeks- that will move the fluids around in your motor. I would suggest driving far enough to get the motor fully warmed to boil off any water from condensationMike

From my research, no, concrete does not leach moisture from tires.

Arizona Kid wrote:5 Myths about flat spots.I had heard that concrete over a period of time can damage the tires. Whether it does or not is immaterial. Putting a place mat beteen tire and the ground won't hurt.

joelc wrote:I had heard that concrete over a period of time can damage the tires. Whether it does or not is immaterial. Putting a place mat beteen tire and the ground won't hurt.There are a great many things that "won't hurt".

Parking on concrete slab | Good Sam Community

mlts22
Explorer
Jan 11, 2015
For short term storage, I'd just park it and not worry.

For long term storage (weeks or longer), I'd probably make some 2x10s, take them to a Rhino Lining or a Line-X place, have them sprayed, then store the rig on top of those. The epoxy coating will keep the wood from rotting, as well as keep dry rot from happening.

There is a lot of debate of using jacks for long term storage or not. As far as I have read, I'd not bother. Suspensions don't wear out by sitting around. They wear out by damage done to rust and miles.
Davydd
Explorer
Jan 11, 2015
Scrap wood is cheap. I would not bother to spray to preserve. I've got some 32 year old 2 x 12 pine decking scraps still doing the job.
senf
Explorer
Jan 12, 2015
I used to put my RT on plywood to get it off the concrete on one side and the gravel on the other. Now I just drive it once a month.
ffjeff
Explorer
Jan 13, 2015
http://www.bridgestonetrucktires.com/us_eng/answers/doctor_maintenance.asp#1

There seems to be no foundation in the storing on concrete is that bad for tires.

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