Certified precast blocks for fencing ballast, hoardings, and perimeter protection. For contractors, site managers, and hire companies securing sites without digging.
Brisbane · Sydney · Melbourne · Perth · 1800 834 486
Certified Mass
Known Weights, Known Numbers
Known, certified block weights: 500kg, 1000kg, and 1500kg.
Wind load configurations backed by Envirocalc® engineering.
Certified lifting anchors for safe, fast placement and pick-up.
Stocked nationally, manufactured at scale.
How It Works
No Ground Disturbance
Fences, hoardings, and perimeters are ballasted with certified concrete mass, so you can secure sealed surfaces, contaminated land, or anywhere you cannot dig. One excavator or Hiab movement per block, on and off site in minutes.
Features & Benefits
Why Interbloc for Security
No ground disturbance
Secure fences and hoardings on sealed surfaces, contaminated land, or anywhere you cannot dig.
Certified wind resistance
Engineered ballast spacing with documentation for your temporary works plan.
A real vehicle deterrent
A tonne of interlocked concrete stops unauthorised vehicle access. Water-filled barriers do not.
On and off site in minutes
One excavator or Hiab movement per block.
Good for hire fleets
Blocks go out job after job for years, or come back to us through the buyback programme.