Roth Industries has extended its current warranty policy to a 30-year limited warranty. This warranty change covers failure of the tank due to workmanship or material defects as well as failure of the internal tank due to internal corrosion (the manner in which all steel tanks fail). The warranty also includes $2M of insurance against property damages caused by spill.
Granby offers a 3 year warranty on all steel tanks. This warranty covers failure of the tank due to workmanship or material defects.