Diamond Grid is an interlocking grid that reduces erosion, potholes, corrugation and eliminates all muddy surfaces on your property.


DG coloured gridsThis innovative, Australian-owned product is manufactured from 100% recycled polypropylene. It is UV-stabilised, easily relocated and easy to install.

Diamond Grid creates a surface that is solid, dry and secure, even with constant use and in heavy rainfall.

The grids are extremely durable, with a filled load-bearing capacity of over 1,000 tonnes/m2. They will not wear through even with constant use. Diamond Grid has a wide variety of applications across farming, landscaping, mining and civil engineering industries 






With Diamond Grid you can:::DG Spec Chart

  • Prevent natural earth surfaces from developing into muddy unusable areas in wet weather.
  • Reinforce surface erosion, potholes and corrugation.
  • Reinforce turfed areas, providing root protection.
  • Enable gravel retention and stabilise embankments.
  • Can be installed with grass, gravel or road base filling to form a surface that is water permeable.

Diamond Grids are:

  • Interlocking system
  • Australian owned
  • 100% recycled Polypropylene (PP)
  • UV stabilised
  • Relocatable
  • Do-It-Yourself

DG 900x560x40

DG CloseUp Lugs

Our classic grid size is suitable for most rural and domestic applications. Great for smaller surface areas that require stabilisation and reinforcement. Highly recommended for feed & water troughs, stable floors, muddy areas, day yards, pathways, drains, driveways, golf cart tracks, boat ramps and anywhere needing toughening up on your property or workplace.


The Diamond Grid interlocking system is robust and easy to install.

  • Feed & Water Troughs
  • Muddy Areas
  • Hardstands
  • Access Roads
  • Creek Crossings
  • Cattle Yards
  • Shed Floors
  • Fire Trails
  • Paddock Shelters
  • Stable Floors
  • Horse Yard
  • Day Yards
  • Driveways
  • Drains
  • Car Parks
  • Bike Track
  • Pathways
  • Car Port
  • Boat Ramps
  • Bitumen Reinforcement
  • Airstrips




Browse our gallery of photos showing the Diamond Grids in use;

  • 01-Long-Trough01-Long-Trough
  • 02-Trail02-Trail
  • 03-Stable03-Stable
  • 04-Shed-Floor04-Shed-Floor
  • 05-Road05-Road
  • 06-Cattle-Yards06-Cattle-Yards

Coly Concrete stock, supply and deliver, Diamond Grids throughout the Riverina, Murrumbidgee and South West irrigation areas of NSW.

Please contact us personally to discuss your particular requirements.

Coly Concrete

Please browse our website to review our complete range of products and contact us to discuss your particular requirements.

We deliver to the entire Murrumbidgee region and beyond.

Our Suppliers

  • Bruno Altin
  • Rocla
  • Milcast
  • Padman Stops
  • Precast Concrete Wangaratta
  • Diamond Grid


Coly Concrete
55 Bencubbin Ave
NSW 2707

Phone: (02) 6954 4610

Email: info@colyconcrete.com.au

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