The latest addition to our “new generation™” polytank range is the underground “Lattice™ Tank”. This revolutionary, patented design boasts several unique design features:

•  5 year manufacturer warranty on your quality underground Lattice™ TankDuraplas not only manufactures the best quality tanks available, but have a very unique position compared to all other tank manufacturers. We're still around after over 35 years, still with the founding family in ownership! We don't just offer a quality product, but a warranty backed by time. A warranty you can trust!
• Bonus Inclusions:  Lattice Underground Tank Fitting Kit Supplied
  • Manhole Cover-lid (Poly manhole cover for Under Yard model, Galvanised steel lid and ring for Driveway model)
  • Fixtures to secure manhole cover to tank (screw,bolts ect)
  • 2 x 100mm Wallace Seals, To facilitate Inlet and overflow plumbing connections to the tank
  • 1 x 100mm Flap Cap
  • 1 x 38mm Brass Threaded Outlet
• Revolutionary engineered design
• Strong and light ─ easy installation
• Under Driveway model features load bearing (10,000Kg Rating) patented peer system patent # 2005 203055
• Extra low profile ─ Shallow cut depth of 950mm
• Heavy duty lifting lugs
• Child proof, robust, galvanized manhole lid & optional riser ring
• FEA tested – Specific gravity 1.6 (1.6 x the requirement of AS1564.1)
• An easy installation video and engineers drawings are available for your underground tank
• Our quality poly tanks are manufactured in one piece from virgin U.V. stabilised food grade polyethylene which meet the strict Australian Standards for food and water storage:
  • AS 4020 – For Drinking Water
  • AS 2070 – For Food Contact
  • AS 4766 – U.V. Requirement
• 100% BPA free for your peace-of-mind
• Designed and manufactured in Australia by Duraplas® – backed by 38+ years experience with the same owners managing the company
• Guaranteed heavy-duty ‘shot weight’ – meaning thicker walls and more rigidity than other makes, and ensuring your quality tank will serve you faithfully year upon year
• Prompt, friendly service from our experienced team
• See how our tanks compare to other makes  (click here)