The LOC-A-BLOC System of engineering, decorative retaining walls is comprised of the 400 Series, 600 Series, 1800 Series and our Concrete Sleeper Series.

We can also manufacture a block specifically designed to meet the requirements of your project.

For technical details and advice, please consult the LOC-A-BLOC design manual or discuss your specific needs with one of our product experts.


400 Series

400mm x 200mm x 200mm

Weight: 27kg

For small, low walls, freestanding, up to 1.8m or soil reinforced up to 6m – easily constructed.

Residential and small commercial applications.
(25 – 32mpa)


600 Series

600mm x 300mm x 300mm

Weight: 95kg

Use: For engineered solutions on low walls with high surcharge, freestanding, cantilever, single skin up to 3m or soil reinforced up to 10m.

Commercial, civil and marine applications.
(25 – 40mpa)


1800 Series

 1800mm x 900mm x 900mm

Weight: 2.56 tonne

For engineered solutions on mass gravity from 0.9m up to 2.7m – gravel fill, cantilever up to 8m or soil reinforced up to 20m.

Commercial, civil, infrastructure works and marine applications.
(25 – 40mpa)


Concrete Sleepers

Specifically engineered for Australian backyard conditions with easy install design.


Marine Series

Used for levy banks, flood mitigation and retention basins around Sydney for over 30 years.

For a superior product and exceptional service