Boxed Flood Depth Markers

Floodway & Causeway FDI

Boxed Flood Depth Markers

Delnorth manufactures a complete range of standard and customised marker post products to suit floodway and causeway applications.

Delnorth Boxed flood depth signs are made from aluminium extrusion, flexible poly and high tensile steel substrates, which has good corrosion resistance. The applied face is made from TMR approved sheeting manufacturers ensuring the boxed depth markers clearly define floodways and causeways.

Delnorth posts are manufactured in Australia and can be customised to meet any specification.

Australian made logo
Flooded road with depth indicators in Queensland, Australia

Aluminium Extrusion, flexible poly and High Tensile Steel BOXED FDI

Boxed flood depth Markers are made from 6600 series T5 aluminium extrusion, flexible poly and high tensile steel substrates. The strong, boxed aluminium with impact resistant posts and fixtures have good corrosion resistance.

Boxed Aluminium Flood Depth Markers are available in various depths and sizes, with applied faces manufactured using TMR approved sheeting facilities.

The top of a flood post marker

INLINE FLEXIBLE ALUMINIUM POSTS

Inline bollards are made using high strength Aluminium for a more robust flexible solution in high impact areas. They are available as surface mount
or socket mount.

Perfectly paired with the strong, boxed aluminium the impact resistant posts and fixtures significantly reduce sign replacement and installation costs.

Inline Bollards are available in various depths and sizes.

Inline Bollard Joint Diagram

FLOOD DEPTH MARKERS

ALUMINIUM BOXED FLOOD DEPTH MARKER

This is just an example of product SKU

ALUMINIUM BOXED FLOOD DEPTH MARKER

ALUMINIUM BOXED FLOOD DEPTH MARKER

ALUMINIUM BOXED FLOOD DEPTH MARKER

ALUMINIUM BOXED FLOOD DEPTH MARKER

ALUMINIUM BOXED FLOOD DEPTH MARKER

ALUMINIUM BOXED FLOOD DEPTH MARKER

FLOOD DEPTH MARKERS

DURAPOST INLINE BOLLARD

This is just an example of product SKU

DURAPOST INLINE BOLLARD

DURAPOST INLINE BOLLARD

DURAPOST INLINE BOLLARD

DURAPOST INLINE BOLLARD

DURAPOST INLINE BOLLARD

DURAPOST INLINE BOLLARD

Benefits of using Boxed flood depth markers

Continuous visibility and guidance

  • Self-recovering systems Ensures posts remain visible after impacts, maintaining lane edge, and depth guidance.
  • Continuous visiblity  in seasonal events (flooding, storms).

Reduced maintenance and product lifecycle cost

  • Fewer post replacements and less call-out time after impacts.
  • Lower spend on traffic replacements, and maintenance teams.

Improved safety outcomes

  • Very strong aluminium Maintains delineation in flood-prone or low-visibility zones reducing the risk of collisions, or dangers of road users leaving the road or causeway.
The top of a flood post marker for depth

TECHNICAL SPECIFICATIONS

  • 360° impact range
  • Bends to over 90°
  • Withstands multiple wheel overs
  • -50° to + 60° thermal resistance
  • UV stabilised
  • Colourfast
  • Bases, posts and fixtures support Sign-Flex ® signs as well as traditional aluminium sign products
  • Superior to alternative metal products in high impact locations

Features

  • Very strong, boxed aluminium 
  • Impact Resistant Inline Bollard Posts and fixtures
  • High impact resistance  significantly reduces your organisations sign replacement and installation costs
  • High quality, highly flexibility products with high impact resistance.

DOWNLOADS

INSTALLATION EQUIPMENT FOR Boxed Flood Depth Markers

Glare-Flex FAQs

Why choose Delnorth Glare-Flex® Anti glare screens?

  • Safe: Reduces accidents caused by glare and driver distraction.
  • Durable: Withstands impacts, weather, and sun exposure without losing effectiveness.
  • Flexible: Adapts to various road and barrier types.
  • Cost-Effective: Minimises maintenance and replacement costs over time.
Delnorth logo

Looking to enhance floodway and causeway road safety?

Contact us today for more information.