Drive along an otherwise reasonable stretch of road and you may notice something interesting. The straight sections can remain relatively smooth while the surface around a bus stop, junction or traffic-controlled intersection shows cracking, depressions, polished areas or distorted tarmac. This is not simply coincidence. Road surfaces behave differently depending…

Block paving is designed to create a stable, interlocking surface capable of handling regular pedestrian and vehicle traffic. When installed correctly, individual paving blocks work together rather than behaving as completely separate units. One of the less obvious components making this possible is the material filling the narrow joints between…

When an old driveway, access road or commercial car park starts looking worn, resurfacing it with a fresh layer of tarmac can seem like the obvious solution. The existing surface is already there, so why excavate it when new material could simply be laid over the top? In some circumstances,…