Asphalt-base sealers can provide that, but coal tar does a better job of both in the long term. With today's technology, we're not going to expect an asphalt-based sealer to go mile for mile with ...

"The asphalt base may be a little thinner or maybe the subsoil preparation is a little different than the highway so a small roller is there to do compaction but it's not used to get the real high ...

With this process, there's no external heating involved. Asphalt concrete's pavement structure typically has three main layers: the base layer, the intermediate layer and the surface layer.