Roller Smooth -  1.2t Double Drum for Hire in Botany and Sydney. The 1.2T Double Drum Roller Smooth is ideally suited for the compaction of road base and asphalt. With dual drum driving for increased traction. With articulated steering this roller offers high quality finishes for your compaction. This unit is easily manoeuvrable and provides a flush compaction finish for any asphalt job. This roller comes with a pressurised water system.