Polycraft Boats
Polycraft Boats – another
National Poly Industries product.
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Why Buy Poly Tanks?

Polyethylene tanks have grown to dominate the Australian water tank market as they are lighter and more cost effective than alternative materials. The material ensures pure drinking water with no taint.

The manufacturing process of our rainwater tanks has minimal impact on the environment as there are no emissions during manufacture and the material can be recycled.

All National Poly Industries tanks, including rainwater tanks, are manufactured to Australian Standard 2070 for Food Contact and Australian Standard 4020 for Drinking Water. That means pure drinking water from every water tank we manufacture.

While using quality materials is important, it’s the manufacturing process that makes us stand out from the rest. 

Our advanced manufacturing process uses computer-controlled rotational moulding machines to produce one-piece tanks with extra strength.

Our tanks do NOT have a vertical side seam and do NOT require a pole to support the roof. The extra strength in the walls eliminates the need to use a flexible house on the outlet.

The material weight of every tank is stated in writing, giving you proof of the strength and integrity of every tank manufactured by National Poly Industries.

National Poly Industries water tanks have:
Thicker Walls at Base for Greater Strength
  • 20 Year Warranty.
  • Tanks are designed for strength, with thicker walls at the base
  • One-piece tank construction (with no vertical seams)
  • 100% UV protection against harsh Australian conditions
  • Every tank has a self-supporting roof (with no internal poles)
  • Tanks made of 100% food grade material (to Australian Standards AS2070/AS4020) 
Delivery is available throughout Queensland, New South Wales and the ACT.