Guidance snapshot
Visible cracks running through the surface, from hairline fractures to wide splits.
Cracking can be cosmetic or structural depending on the pattern, depth, and number of cracks. Isolated hairline cracks on tarmac are often low urgency. Widespread cracking usually signals deeper movement or frost damage.
Watch-outs
- Filling cracks without addressing the cause will likely fail again
- Tarmac edge cracking near a kerb or channel is common and often repairable
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