Northern Exo-coat is for external use on metal tanks

Can be used on fuel tanks, pontoon floats, floating docks, barges. Just brush it on and let it air dry. Light rust and pin holes are sealed

1 pint covers 2 average fuel tanks

WARNING: This product can expose you to chemicals including Ethylbenzene, Toluene, and Carbon Black, which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.