[4:04 PM, 6/4/2019] Joe Fleetline Carr: Technically it's called 'tyre vulcasing' things that would usually cause a tyre to be scrapped can be repaired, large cuts, punctures on sidewalls and large punctures. <br />
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A good description in layman terms is 'its a safe and durable way of fixing major damage by cutting out the injury and applying a reinforced patch. We then weld the new and old rubber together in which a chemical process is used with synthetics, rubber and sulphur to achieve a permanent bond/repair. It can't be done on car and van though.