Silverstone is undoing a change to the kerb at Chapel curve just before the Hangar Straight in response to the tyre issues seen last weekend.
Drivers were often seen kicking up dirt through the final part of the Maggotts/Becketts sequence across the three days due to the removal of kerbing in that area compared to 2019.
And as a result, some drivers had wondered if debris caused by running wide had been responsible for the cuts seen on tyres during practice and then in the race, leading to the three failures for Carlos Sainz and both Mercedes.
“Probably some of the cuts that we found on Friday were caused by that and by the fact that some debris was trapped in the kerb obviously some cuts on the tyre,” Pirelli boss Mario Isola explained.
“They are working around that, it’s a good action, it’s a good idea to have this small modification that is helping the situation.
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“Cuts have been a topic of the week, I have to say, because of the fact that in some corners the cars are running wider, going somewhere [into] run-off areas and we had some parts of the circuit where the gravel was coming [on],” he added.
“When the tyre is hot it is very soft so that’s why we had some cuts on tyres.”
On Tuesday, Pirelli blamed an extended 40-lap stint combined with the “biggest forces ever seen on a tyre” around Silverstone for the three late failures.
And now an additional investigation is underway after it was confirmed a left-rear puncture had caused Daniil Kvyat’s scary crash on the entrance to Maggotts earlier in the race.
