kerbing 
noun [mass noun]
1The stones collectively forming a kerb.He supplies the building trade and hardware stores with patio slabs, kerbing, wall capping, panel fencing and sills....
- Shop fronts are also to be improved, she added, as well as the introduction of new kerbing, and time-limited car parking.
- Deputy central Hampshire coroner Simon Burge voiced concerns about the safety of kerbing on a stretch of the A31.
2The action of hitting a kerb with a car tyre, leading to possible damage to the tyre.