Tank Sumps


Available in round, square or rectangular, Fibrelite tank sumps are designed to create the maximum possible space for maintenance teams and installers to work.

Round tank sumps  are available from a 45″ to 60″ diameter

Square tank sumps  are available from a 45″ to 48″ square

Most sumps are also available in solid bottom versions that can be utilized as transition sumps.

Mounting Options

Fibreglass tank sump mounting options are available for 42″, 48″ and 54″ fibreglass tank collars. Other tank mounting options include round and square tank manway flanges and solid bottom sumps for tank fitting adaptors. Finally, Fibrelite offers a 42″ tank collar for installing our sumps directly onto fibreglass jacketed tanks.

Easy Installation. Fit and Forget

Fibrelite produces high-quality one-piece moulded, GRP components with a smooth surface for easy installation of entry boots. All products are designed and manufactured to withstand high ground water pressure after installation for the lifetime of the site.

Made for You

From our inception, we’ve grown through finding solutions for our customer’s challenges, often resulting in entirely new products. If you have a requirement that you can’t find on our website, contact Liquip and our Sales team and we’ll work together to find a solution.

Benefits at a Glance

  • Watertight – structure will not deform under water pressure
  • Can be buried up to 3m (10’) deep
  • Anti-static surface
  • Vacuum testable during and after installation
  • Available for both new and retrofit applications
  • Sump extensions available; extend sump height by 12″ per extension
  • Guaranteed uniform 1/4″ wall thickness
  • Certain tank sumps are compatible with E85 and biofuels
  • Will resist corrosion
  • Withstands high groundwater pressure
  • Withstands extreme temperatures (-50°C/120°F to 50°C/120°F)
  • Smooth finish for easy handling


Fibrelite’s line of sumps is equipped with a wide range of accessories, including watertight lids, watertight spill platforms and “green area” lids. These accessories allow Fibrelite tank sumps to be utilised as turbine sumps, fill sumps, transition sumps and “green area” sumps. All Fibrelite tank sumps are designed to work with Fibrelite’s extensive range of manhole covers, multiport and offset fill covers.

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