High pressure jetting is the process of using high-velocity water pressure to blast through buildup within your sewer or drain lines including bulky waste and other blockages. The pressure of the hydro jetting is able to properly break through the debris and scour the full diameter of the pipe. High pressure jetting is the most effective way to remove all of the pliable obstructions from your sewer or drain. It will easily handle build up such as grease, sand, pebbles, mineral deposits and waste build up.