Repairs & Modifications Services

We can upgrade existing fiberglass underground storage tanks!

• Upgrade your existing single-wall underground fiberglass storage tank with the Biofuel Tank Upgrade (BTU). Ethanol blends up to and including E100, and biodiesel blends up to B100 are all compatible with the BTU upgrade. The BTU service includes a new 10-year internal corrosion warranty.
• Also see our Retank service – a new tank inside your existing steel or fiberglass underground storage tank

We can convert your existing single-compartment tank into a multiple compartment tank in the field

• While the tank is still in the ground
• Adding a bulkhead inside of the tank
• Finished product designed the same as our factory-produced compartment tanks

We can convert your leaking tank sump into a water-tight sump enclosure

• Our technician cuts out the existing top
• Then, installs a gasketed 34″ opening top
• The finished product is water tight and provides easy access

Exclusive Owens Corning Warranty Work
Containment Solutions Field Service network was selected by Owens Corning as their exclusive service group to modify and perform warranty work on tanks sold between 1964 and 1994.