Roth Double-Wall Oil Storage Tanks (DWT)

Roth’s state-of-the art double-wall tanks are the best you can find.

  • More for the environment
  • More for your safety
  • More quality
  • More than 4 million installed


  1. Weld-free galvanized steel outer tank capable of holding 110% of the primary tank.2. Seamless high-density polyethylene inner tank.3. Highly visible optical leak alarm.4. 55% lighter than a 12-gauge steel tank with a larger storage capacity.

5. Corrosion resistant steel filling system with external 2″ thread, allowing for an even level in each tank when installed in groups.

6. Burner feeding system consisting of a fusible link valve and check valve incorporated with supply and return port when using the optional Roth suction assembly.

7. Cover for outside use

Installation of tanks is faster and easier than ever.

  • Up to 50% lighter than conventional steel tanks.
  • Wide handles on each end facilitates transport and handling.
  • Removable base facilitates access to tight spaces and offers greater stability.
  • Compact and economical design. (8 sq. ft. for 1000L)
  • The only tank on the market with no fittings below the oil line.
  • Unique expansion system ensures increase storage capacity and faster, easier fill-ups.
  • Completely sealed, every one of our tanks is pressure tested and meets exacting quality control standards.
  • Better than industry average warranty of 10 years insurance, $2 million clean up policy plus 30 year product warranty.