isn't their a technique called plug & patch where you use some combination of filling the hole w/ some rubber galvanizing product plus a patch on the inside?
excerpt: "4. From the inside out, pull a rubber stem through the puncture area sealing off the inside of the tire"
www.sullivantire.com
the preowned tires that I buy sometimes have professional repairs like this & they never seem to have any problems
excerpt: "4. From the inside out, pull a rubber stem through the puncture area sealing off the inside of the tire"
How To Repair A Tire | Sullivan Tire and Auto Service
Tires need to be repaired from the inside out and for your safety, never use a tire plug. Learn how to repair a tire for good with Sullivan Tire.
the preowned tires that I buy sometimes have professional repairs like this & they never seem to have any problems