Products

Underground tanks


Underground storage tanks are naturally placed under a variety of harsh conditions from both the internally contents and the external environment. Fiberglass tanks provides unprecedented reliability, strength, and durability at a competitive cost. Carlson Engineered Composites’ provides industry-leading, high-quality, and durable fiberglass underground tanks that offer end-users with long-term peace of mind. These tanks are typically used for septic, water, chemical storage, or other applications.

Why Carlson Engineered Composites UGT?

Our fiber-reinforced plastics (FRP) underground tanks (UGT) have been engineered to exceed industry standards and requirements. Our UGTs can be designed to suit virtually any application and can be customized with a large list of options and accessories. Our standard lineup of CSA-approved UGTs range from 750 to 12,000 imperial gallons.

Unlike other tank manufacturers that consider the corrosion barrier as a part of the structural layers of the tank, Carlson Engineered Composites manufactures fiberglass tanks with a corrosion barrier that is in addition to the structural component of the tank. This means that the tank will maintain its structural integrity even if the corrosion barriers is compromised after decades of service.

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Access technical specifications

For access to computer-aided drawing (CAD) models and detailed drawings of our standard tanks and products.

Our standard lineup of tanks

Ball Tanks Info Sheet

Nominal Volume
(imp. gallons / liters)
Tank StyleShallow Burial
(2ft / 0.6m)
Deep Burial
(7ft / 2.14m)
Extra Deep Burial
(10ft / 3.05m)
750 / 3410HoldingCECGLB-750IG-H.6
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CECGLB-750IG-H.2.14
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750 / 3410Pump outCECGLB-750IG-P.6
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CECGLB-750IG-P2.14
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CECGLB-750IG-P3.05
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750 / 3410TrickleCECGLB-750IG-T.6
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CECGLB-750IG-T2.14
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750 / 3410SiphonCECGLB-750IG-S.6
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CECGLB-750IG-S2.14
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1000 / 4546HoldingCECGLB-1000IG-H.6
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CECGLB-1000IG-H2.14
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CECGLB-1000IG-H3.05
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1000 / 4546Pump outCECGLB-1000IG-P.6
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CECGLB-1000IG-P2.14
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CECGLB-1000IG-P3.05
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1000 / 4546TrickleCECGLB-1000IG-T.6
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CECGLB-1000IG-T2.14
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1000 / 4546SiphonCECGLB-1000IG-S.6
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CECGLB-1000IG-S2.14
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All of our UGT can be customized with a variety of options such as:

FITTINGS

Large selection of fittings to fit your application.

  • Flanges
  • Elbows
  • Valves
  • Vents
  • Tees
  • Couplings
  • Nipples
  • Etc...

MANWAY EXTENSIONS

Unlimited size and length options to fit your installation!

MANWAY COVERS

Various cover styles include:

  • Flat vs. domed
  • Bolted flange
  • Lockable
  • Hinged
  • Twist easy-access

Double-walled construction

Secondary fiberglass shell with interstitial spacing provides increased leak protection.

INSULATION

Closed-cell spray foam insulation available for improved temperature control.

THERMAL MANAGEMENT

Temperature management:

  • Copper heat tracing
  • Heating pads
  • Heating coils

ANTI-FLOTATION

Concrete deadman anti-flotation system prevents unwanted surface penetration due to high water table.

OTHER OPTIONS...

  • NSF-approved potable water liner
  • Additional compartments
  • Fiberglass ladder access
  • Anti-vortex plates
  • Effluent filter
  • Baffles
  • Skimmers
  • Etc...