Aging 22.5 tires - how old is too old?

jpwiggo wrote:
I read an article created by:
Guy Walenga, director of engineering, tire products and technologies at Bridgestone Americas

In it he tells how tires "properly maintained, inflated, repaired and retreaded commercial truck tires may safely and reliably be in service for 10 years or more"

I am wondering if there is other data you may have. I know most 'sales' answers are going to be 6-7years then change. Not interested in what a company's sales answer is, more looking for what is the correct answer.

Guy Walenga is talking about "properly maintained, inflated, repaired and retreaded commercial truck tire" being used in commercial truck service - meaning that they get ran every day. I can not compare my motorhome's tires use to that because they don't get ran every day. Tires used in truck service will last longer that truck tires used in motorhome type service because the additives in the rubber compounds are constantly being forced to the surface of the tires. Motorhome tires sit to much which allows them to dry out. Now if you put 500 miles a dat on your motorhome tires, you might be able to make them last lots longer, but when you only put 500 miles on them every other month - well, they will time out before you wear them out. I run my motorhome about 5000 miles a year. 7 years is 35,000 miles. A commercial truck runs over 150,000 miles in a year on the same tires!!!