Give your outdoor space a bold, structured look with the 1800mm Heavy Duty Arizona Concrete Sleeper in Charcoal. Finished in bold charcoal, a contemporary dark tone that adds a sophisticated, modern edge to any outdoor space, this sleeper is a durable, low-maintenance solution for retaining walls, garden borders, raised garden beds, and landscaping projects across Australia.
PRODUCT DETAILS
Type: Heavy Duty Concrete Sleeper
Style / Texture: Arizona (block face)
Dimensions: 1800mm x 200mm x 100mm
Weight: 90kg
Colour: Charcoal
Compatible Steel Posts: 150UC channel or above
STYLE
The Arizona block face design features bold, structured coursework that brings a contemporary, architectural edge to any retaining wall or garden border. Its clean geometric pattern pairs well with modern home designs and structured outdoor spaces.
SERIES
As part of the Heavy Duty series, this 100mm thick concrete sleeper is engineered to work with 150UC channel steel posts or above, delivering greater load-bearing capacity for taller retaining walls, steeper embankments, and more demanding residential or light commercial landscaping applications.
ABOUT CONCRETE SLEEPERS
Concrete sleepers are one of the most popular and trusted retaining wall solutions for Australian homes and commercial properties — and for good reason. Engineered from high-strength 40MPa concrete and reinforced with 2 x N12 steel bars as standard, concrete sleepers are built to handle the tough demands of Australian soil conditions, weather extremes, and everyday wear.
Unlike timber alternatives, concrete sleepers won't rot, warp, split, or attract termites. They are fire-resistant, UV-stable, and require virtually no ongoing maintenance — making them a smart long-term investment that adds lasting value to your property. Whether you're building a new retaining wall, terracing a sloped garden, creating raised garden beds, or defining landscaping borders, concrete sleepers deliver the strength, stability, and style your project deserves.
All sleepers in our range are available in a choice of textures and colours to suit your design vision, and can be paired with a range of compatible steel post systems for a complete, engineered retaining wall solution.
Explore our full concrete sleeper range and find the perfect match for your project.
