Phone: 1800 531 492

Water Filled Barriers

Whether you’re creating a temporary barrier or delineating pedestrians, the right water filled barrier can make a huge difference. We recommend using Water Filled Barriers on work sites, near major highways and busy intersections, and where pedestrians and workers may need protection from road hazards.


Our range includes interlocking, portable and stackable barriers; suitable for applications including crowd control, roadblocks, traffic diversions, work zones, warehousing and distribution centres.

Still not sure what water filled barrier you need? See our FAQ’s below or get in touch with a friendly member of our customer service team on 1800 531 492.

Type of Barriers and Barricades

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  1. Sale
    Flakstak Portable Barrier Stackable Orange 2m

    A26850

    Flakstak Portable Barrier Stackable Orange 2m

    $263.79
    $211.20
  2. Sale
    Stackable Water Filled Barrier - 800mm (W) x 550mm (H) x 1100mm (L), Orange

    A47640

    Stackable Water Filled Barrier - 800mm (W) x 550mm (H) x 1100mm (L), Orange

    $137.79
    $114.40
  3. Sale
    Water Filled Barrier Interlocking, 460mm (W) x 800mm (H) x 1450mm (L), Red

    A38274

    Water Filled Barrier Interlocking, 460mm (W) x 800mm (H) x 1450mm (L), Red

    $337.26
    $266.20
  4. Water Filled Barrier Heavy Duty - 600mm (W) x 900mm (H) x 2000mm (L), Orange

    A49886

    Water Filled Barrier Heavy Duty - 600mm (W) x 900mm (H) x 2000mm (L), Orange

    $493.62
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Frequently Asked Questions

What is a water-filled barrier?

  • A water-filled barrier is defined by the Department of Roads & Maritime Services as a barrier installed during short term and ongoing road works or emergency situations.
  • It is often filled with water or sand to provide enough strength to withstand the impact of a traffic incident.

Are water-filled barriers a safe option?

  • Water-filled barriers are used to delineate pedestrians from vehicles or hazards.
  • This can separate pedestrians and workers near busy roads and intersections.

What are water-filled barriers used for?

  • Water-filled barriers are used in a variety of different applications. These include crowd control, roadblocks, traffic diversions, work zones, warehousing and distribution centres.
  • These barriers are best suited for separating pedestrians and vehicles in low speed areas.

Should I buy or hire water-filled barriers?

Water-filled barriers are made from strength-tested and durable plastics. Because of this, they are a great long-term or short-term option.

If your project is expected to last longer than a week, we recommend investing in our extensive value range of water-filled barriers.

What do I need to consider when purchasing a water filled barrier?

When purchasing a water-filled barrier, it is important to consider what speed zones the barrier will be in.

  • If it is being used in a reduced speed area (below 20km/h), we recommend looking through our range of stackable water-filled barriers.
  • In areas that are high traffic but low speed, you can’t go past our interlocking water-filled barriers for safety and security.
  • For school zones or car parks with a speed limit of 40km/h, our heavy duty water-filled barriers are a cost effective and safety compliant option.
  • In high speed areas, we recommend using a crash or MASH tested barrier to ensure the safety of pedestrians and motorists.

When is it best to use water-filled barriers?

We recommend using water-filled barriers on work sites, near major highways and busy intersections, and where pedestrians and workers may need protection from vehicles and other road hazards.