You will never have to doubt tire repair limits at first but understand, I think it is important to know your limits for the safety and performance of everyone.tire repair (ad) There are strict rules regarding patch/plug repair on those, depending on the tirecord, and where it falls. The tread area, however, is usually the only place where a repair can be made without compromising safety. Sidewall or shoulder damage to a tire takes it off the table as repairable due to the extreme stresses placed on these areas during operation.
Factors to keep in mind for tire repairs
Location, Location, Location: Repairs are allowed only in the central three-quarters of the tread area (the minor repair area). However, any holes on the sidewall or shoulder should not be fixed as they jeopardize your tires’ strength.
Maximum Size: Punctures or cuts that are larger than 1/4 inch (6 mm) in the area located on the tire cannot be fixed again. This is so that any tire that gets repaired can do so without risking another blowout due to road hazard.
Proper Inspection: Never neglect to have any of your tire damages checked by an expert tire service personnel. They can tell what is fixable within the established rule and be sure a proper repair is happened (plug and patch).
To sum up, small punctures to the tread are usually revivable but damage at the sidewall and shoulder means you need a new tire. Do consult with a professional for an accurate diagnosis and safe, correct repair_dns options.