Retaining Walls

ABOUT SUPERSLEEPER

SuperSleeper is an industry leader in Australia, redefining the standards of retaining wall solutions through innovation and advanced engineering.

At the forefront of change, SuperSleeper has developed a revolutionary retaining wall system that offers a smarter, stronger, and more sustainable alternative to traditional concrete sleepers.

Made from high-performance composite materials, the SuperSleeper system delivers exceptional strength, long-term durability, and environmentally friendly benefits—setting a new benchmark for modern retaining wall design.

Stronger and More Durable Than Anything on the Market

SuperSleeper is the ideal choice for your next retaining wall or landscaping project, offering unmatched strength and long-lasting durability.

Engineered by internationally certified Chartered Engineers, our composite sleepers are designed for both performance and style. With their sleek, modern aesthetic, they add a refined, seamless look to any garden or outdoor space—making them a popular choice among homeowners and professionals alike.

DESIGN SPECIFICATION
Material Composition
65 % E- Glass
30 % POLYSTER
5 % CALCIUM CARBONATE

Durability

More durable than any other sleeper on the market. Made from composite materials which are 4x stronger than concrete, yet 4x lighter than steel. Super Sleeper will outperform any other solution.

How composite stacks up?

A Smarter, Sustainable Solution for Modern Landscaping

SuperSleeper is the ultimate solution for landscaping structures, combining functionality with a commitment to eco-friendly manufacturing.

Driven by core values and a deep understanding of customer needs, we've engineered a product that outperforms traditional alternatives in every way.

Made from advanced composite materials, SuperSleeper sleepers are built to last—offering exceptional resistance to deterioration and an expected lifespan of up to 100 years when properly installed and maintained. Durability and structural integrity are at the heart of our design.

This innovative product brings together strength, efficiency, and a clean, modern aesthetic to deliver the perfect balance of form and function.

Lightweight for Transportation
Unlike traditional sleeper materials that are often heavy and costly to transport, SuperSleeper’s composite construction is lightweight and easy to handle—reducing transportation costs and making installation more efficient.

Please Note: Retaining wall height restrictions vary significantly by state and even local council, with common thresholds for requiring approval being between 600mm and 1000mm high.

Need to get your retaining wall engineered? direct your engineer to Supersleepers engineering calculators to make the engineering process quicker for your engineer!!

TECHNICAL INFORMATION:

TECHNICAL DESIGN GUIDE PDF

TECHNICAL DRAWINGS PART 1

TECHNICAL DRAWINGS PART 2

INSTALL GUIDE PDF

FREQUENTLY ASKED QUESTIONS

What is SuperSleeper made of?

Fibre-reinforced polymer is a composite material made from polymer matrix reinforced with fibres. The fibres are usually glass, carbon, aramid or basalt.

What is the weight of a sleeper?

The 2350mm long sleeper is 5.55kg the 1950mm sleeper is less than 7kgs!

How long will the product last?

The life span can expect to reach 100 years, this is providing that product has been installed and maintained correctly.

What are the limitations to the product with construction?

There is very little you can’t do with SuperSleeper, the ideal heights achieved are up to 1.6m in height. Remember all walls over 1.0m require an engineer and council approval regardless

How will it handle the Australian sun?

SuperSleeper already contains UV resistant properties, however if maintained the product will last 100 years.

Will it be damaged with something like a Whipper Snipper?

No, the product easily can withstand the impact of a whipper snipper

Does it come in any other colours?

No, however the product is very easily painted by simply preparing with a medium grade sand paper and applying an exterior paint (no primer required).

What environmental advantages are there?

SuperSleeper is a more sustainable alternative, accounting for up to 75% less Co2 emissions in manufacturing process than traditional materials.

Has the product been tested?

Yes, SuperSleeper has been independently tested through a NATA approved laboratory as well as QUT (Queensland University of Technology)

Is the product better than concrete sleepers?

Yes, SuperSleeper is a more durable, sustainable and cost-effective solution for retaining walls. Specifically with a design to withstand long-term deflection, making SuperSleeper resistant to bows and deterioration over time.

Can the product be used for retaining wall heights in excess of 1m high?

Yes, Supersleeper has published technical guides for engineers to use for walls greater than 1m.

What is the warranty?

Supersleeper warrants the product for 35 years.

Do you provide engineering certification?

Supersleeper can provide engineering certification for its products.