For a hairline crack, Demonte explains that ... The OPCMIA offers a train-the-trainer class on concrete crack repair with experienced journeymen as instructors. While their repair training ...

Hairline cracks crisscrossed the most recent ... I would have repaired the damaged concrete by making sure my repair would cover an entire block of the sidewalk. This sidewalk has tooled crack ...

The shift could dramatically increase repair costs for some people. As of June 2024, Apple is no longer covering "single hairline cracks" under its standard AppleCare warranty for iPhones and ...