Carefully note exactly what I said. I stated "many will argue" that water is
absorbed into a tire and will rust the steel belts. I have not argued that
(and have doubt about it myself), but have seen it argued on various lists
many times so I threw that in as I figured someone else would if I did not.
I don't think dry concrete will put moisture into a tire, nor will a mere
barrier under the tire protect it when it is standing in water, if that is
indeed a "hazard". I have noticed that www.rangerdesign.
("damage caused by moisture leaching into the tread and steel belts") along
with a claim that "tire mfgs recommend a vapor barrier be used" on their web
site as a reason you should buy their product, though they do not give any
specific tire mfg references for their statement.
One reference recommending vapor barriers I CAN give is this. In the
Michelin RV Tire brochure (available on their web site), they state:
"...some storage surfaces can cause tires to age faster. That's why Michelin
recommends placing a barrier (cardboard, plastic or plywood) between your
tire and the storage surface."
They do not state why ...but my understanding of it is the surface pulling
moisture/oils out. Which, I suspect, is part of the reason for the marks
that tires leave on vinyl/tile/or very smooth concrete which you mention
using a pad to protect the floor from. Me thinks you are protecting more
than just the floor from unsightly marks...
Paul
-----Original Message-----
From: Diesel-RVs@yahoogro
Behalf Of Russ Waterhouse
Sent: Saturday, January 05, 2008 7:43 PM
To: Diesel-RVs@yahoogro
Subject: Re: [Diesel-RVs] Re: Vapor Barriers Beneath Tires
Water is absorbed in a tire? Just last week it was air was leaking out
through the rubber in the tire. I bet 100 PSI of air leaking out will
prevent natural absorption of water in.
Would you post this tire manufacturers recommendation Please? I never
heard of it.
I have been into show cars and collector cars for most of my adult life,
no one I know puts the car on pads to save the tire. Yes, on vinyl or tile
floors, to protect the floor, not the tire.
Russ
----- Original Message -----
From: "Paul Rider" <afchap@mindspring.
To: <Diesel-RVs@yahoogro
Sent: Saturday, January 05, 2008 4:51 PM
Subject: RE: [Diesel-RVs] Re: Vapor Barriers Beneath Tires
: I've never heard that reason for vapor barriers... :) ...but the first
: "advantage" sounds like WITHOUT the barriers...
:
: Tire mfg's recommend a vapor barrier under your tires, especially when
: parked on concrete, as the concrete draws the moisture/oils out of the
: tires. Many surfaces do to one extent or another, but concrete is about
the
: worst. You don't have to deal with the effects of this on your car tires
in
: your garage because you wear them out before they dry out. But owners of
: show cars & collector cars will normally protect the tires from drying out
: by using a vapor barrier. Anything is better than nothing, but something
: that does not absorb water is best. IN ADDITION, many will argue that you
: should not park your RV where the tires will be standing in water. The
: argument is that the tires will absorb the water, which will rust the
steel
: belts, possibly causing premature failure.
:
: Paul ... fulltimin', currently at Montgomery AL
: '03 Winnebago Ultimate Advantage 40e
: '00 Honda Odyssey toad
: KE5LXU, Escapees, FMCA, SMART, WIT
: http://afchap.
:
: -----Original Message-----
: From: Diesel-RVs@yahoogro
: Behalf Of tomoneal1
: Sent: Saturday, January 05, 2008 3:53 PM
: To: Diesel-RVs@yahoogro
: Subject: [Diesel-RVs] Re: Vapor Barriers Beneath Tires
:
: I put down a 4' X 4' squares of 1/2" CDX plywood over a sheet of 10'
: X 35' plastic weed mat so that tires rest on the plywood and weed mat
blocks
: insects and weed growth under coach.
:
: Advantage: weight of coach causes a small bowel in the ground under each
: wheel that retains a little standing water most of the time.
: This puddle under the tires effectively blocks ants from crawling up the
: tires. (Had ant problems before I tried this now none!) Plywood keeps
tires
: from tearing the plastic or sinking into ground.
:
: Even if dry, the plywood soaks up insecticide and a good dose lasts a long
: time to block insects during dry spells as crawling insects have to crawl
: over several feet of plywood to get to tire and into coach. I have our
home
: insect control company spray the plywood each time they spray the house.
:
: Tom
:
:
:
: --- In Diesel-RVs@yahoogro
: >
: > Can you explain to me Why I need to do this?
: > TIA
: > Rose
: >
:
:
:
:
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