Retaining Walls

Super Sleepers

"A smarter, modern alternative to concrete sleepers. The next generation of retaining walls sleepers"

Easier, Faster, Stronger. Composite retaining walls

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  • On Sale!
    SuperSupport 89mmW x 83mmD x 250mmL

    SuperSupport

    Was: A$34.00
    Now: A$22.66
    availability
    In Stock
  • On Sale!
    SuperWedge

    SuperWedge

    Was: A$1.00
    Now: A$0.70
    availability
    In Stock
  • On Sale!
    SuperBolt and Nut

    SuperBolt and Nut

    Was: A$1.20
    Now: A$0.99
    availability
    In Stock
  • On Sale!
    SuperSupport 89mmW x 83mmD x 250mmL

    SuperSupport

    Was: A$34.00
    Now: A$22.66
    availability
    In Stock
  • On Sale!
    SuperWedge

    SuperWedge

    Was: A$1.00
    Now: A$0.70
    availability
    In Stock
  • On Sale!
    SuperBolt and Nut

    SuperBolt and Nut

    Was: A$1.20
    Now: A$0.99
    availability
    In Stock
  • On Sale!
    Channel Cap – 2425mm long

    Channel Cap – 2425mm long

    Channel Cap – 2425mm long 125mmW x 25mmD x 2425mmL Composite Material – Plain Grey• Retaining wall capping profile typically used on low retaining walls without a fence above• Shields the wall from weathering, whilst enhancing the...

    Was: A$45.00
    Now: A$38.00
    Add to Cart
    On Sale!
    Channel Cap – 2425mm long

    Channel Cap – 2425mm long

    Was: A$45.00
    Now: A$38.00

    Channel Cap – 2425mm long 125mmW x 25mmD x 2425mmL Composite Material – Plain Grey• Retaining wall capping profile typically used on low retaining walls without a fence above• Shields the wall from weathering, whilst enhancing the...

    availability
    In Stock
  • On Sale!
    SuperSupport 89mmW x 83mmD x 250mmL

    SuperSupport

    SuperSupport 89mmW x 83mmD x 250mmL Composite Material – Plain Grey • Provides foundational support and stability to the bottom sleeper• Two SuperSupports required per bottom sleeper• Assist to distribute the vertical weight of the...

    Was: A$34.00
    Now: A$22.66
    Add to Cart
    On Sale!
    SuperSupport 89mmW x 83mmD x 250mmL

    SuperSupport

    Was: A$34.00
    Now: A$22.66

    SuperSupport 89mmW x 83mmD x 250mmL Composite Material – Plain Grey • Provides foundational support and stability to the bottom sleeper• Two SuperSupports required per bottom sleeper• Assist to distribute the vertical weight of the...

    availability
    In Stock
  • On Sale!
    Channel Cap – 2030mm long

    Channel Cap – 2030mm long

    Channel Cap – 2030mm long 125mmW x 25mmD x 2030mmL Composite Material – Plain Grey • Retaining wall capping profile typically used on low retaining walls without a fence above• Shields the wall from weathering, whilst enhancing the...

    Was: A$45.00
    Now: A$32.67
    Add to Cart
    On Sale!
    Channel Cap – 2030mm long

    Channel Cap – 2030mm long

    Was: A$45.00
    Now: A$32.67

    Channel Cap – 2030mm long 125mmW x 25mmD x 2030mmL Composite Material – Plain Grey • Retaining wall capping profile typically used on low retaining walls without a fence above• Shields the wall from weathering, whilst enhancing the...

    availability
    In Stock
  • On Sale!
    Super Bracket - 90mmW x 6mmD x 610mmL

    Super Bracket - 90mmW x 6mmD x 610mmL

    Super Bracket - 90mmW x 6mmD x 610mmL Composite Material – Plain Grey• A retaining wall ‘SuperBracket’ is a specialised bracket designed to attach a fence directly to a retaining wall• Provides a secure and stable connection...

    Was: A$30.00
    Now: A$22.23
    Add to Cart
    On Sale!
    Super Bracket - 90mmW x 6mmD x 610mmL

    Super Bracket - 90mmW x 6mmD x 610mmL

    Was: A$30.00
    Now: A$22.23

    Super Bracket - 90mmW x 6mmD x 610mmL Composite Material – Plain Grey• A retaining wall ‘SuperBracket’ is a specialised bracket designed to attach a fence directly to a retaining wall• Provides a secure and stable connection...

    availability
    In Stock
  • On Sale!
    SuperWedge

    SuperWedge

    SuperWedge Black Plastic finish• Designed to securely hold the SuperSleeper in place during installation – 2 per sleeper• Shape allows for easy insertion and adjustment, ensuring a tight fit between the SuperSleeper and SuperPost

    Was: A$1.00
    Now: A$0.70
    Add to Cart
    On Sale!
    SuperWedge

    SuperWedge

    Was: A$1.00
    Now: A$0.70

    SuperWedge Black Plastic finish• Designed to securely hold the SuperSleeper in place during installation – 2 per sleeper• Shape allows for easy insertion and adjustment, ensuring a tight fit between the SuperSleeper and SuperPost

    availability
    In Stock
  • On Sale!
    SuperBolt and Nut

    SuperBolt and Nut

    SuperBolt and Nut M12x25 Button BoltZinc Plated finish• M12 thread• Use with SUP-NUT to affix SuperBracket to SuperPos M12 Nyloc Safety NutZinc Plated finish• Suits M12 thread• Use with SUP-BOLT to affix SuperBracket to SuperPos

    Was: A$1.20
    Now: A$0.99
    Add to Cart
    On Sale!
    SuperBolt and Nut

    SuperBolt and Nut

    Was: A$1.20
    Now: A$0.99

    SuperBolt and Nut M12x25 Button BoltZinc Plated finish• M12 thread• Use with SUP-NUT to affix SuperBracket to SuperPos M12 Nyloc Safety NutZinc Plated finish• Suits M12 thread• Use with SUP-BOLT to affix SuperBracket to SuperPos

    availability
    In Stock

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.

Sustainable Innovation

Eco-Friendly Fencing Solution We're committed to environmental responsibility. Each PVC fencing panel is crafted from recycled materials, ensuring zero trees are cut and no ground is mined. Choose a fence that protects both your property and the planet.

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:

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.

See How Easy It Is to Install

Founder Lee has recorded step-by-step videos to show just how simple it is to install your Colorbond® fence. Whether you’re new to DIY or a seasoned pro, our panels are designed to make installation easier, faster, and frustration-free.

DIY Guide

Ready to Elevate Your Property?

Transform your outdoor space with Outback Fencing's premium PVC solution. Our dedicated team provides end-to-end support, ensuring you find the perfect fencing that meets your functional and aesthetic requirements.

Our Expert Guarantee

Every aluminium batten fencing product from Outback Fencing comes with our durability guarantee and is manufactured to meet or exceed Australian fencing standards. Our team of fencing specialists is always available to help with your project planning.

CONTACT OUR SPECIALISTS
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Why Choose Outback Fencing?

  • ️ Australian-owned & operated
  • Quality-tested in real Aussie conditions
  • Includes everything you need in each kit
  • ️ Backed by our rock-solid warranty

Shipping & Delivery

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Fast & Reliable Delivery Across Australia

We deliver to all major metro areas with standard shipping in 3–7 business days. Custom quotes are available for regional or special locations to ensure fair, transparent pricing.

️Flexible Pickup & Collection Options

Choose from multiple warehouse pickup points across NSW, VIC, SA, WA, and QLD. Click & Collect is available for added convenience.

Nationwide Pallet Shipping

We offer safe and efficient pallet shipping to ensure your bulk orders arrive intact and on time, no matter where you are in Australia.

Local Depot Delivery with TOLL

Need a secure and timely delivery? We offer dispatch to your nearest TOLL depot for convenient local collection.

Custom Order Handling & Support

Every order is different. That’s why we provide tailored logistics solutions and personalised shipping quotes to meet your unique needs.

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Gold Cost

  • Molendinar
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Brisbane

  • Virginia
  • Crestmead
  • Richlands
  • Brendale
  • Burpengary
  • Eagle Farm
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Perth

  • Jandakot
  • Bibra Lake
  • Wangara
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Sydney

  • Newcastle
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Melbourne

  • Derrimut
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Melbourne

  • Dandenong
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Adelaide

  • Kilburn

Flexible Payment Options

  • Standard purchase
  • 4-installment payment plan for accessibility

Nationwide Availability

Proudly serving major cities: Brisbane | Gold Coast | Newcastle | Sydney | Melbourne | Adelaide | Perth

Ease of Installation

  • DIY-friendly and trade-ready
  • Flat-packed kits for simple transport
  • Video installation guides available

Low Maintenance Promise

  • No painting, staining, or sealing
  • Just a quick rinse to maintain appearance

Built for Australian Conditions

  • UV-resistant
  • Rust-proof or corrosion-resistant
  • Weather-resistant across coastal and inland areas

Safety & Compliance

  • Pool fencing options comply with AS1926.1
  • Security fencing complies with educational and government standards

Modular & Customisable

  • Interchangeable components: panels, gates, spigots, rails
  • Range of colours and finishes
  • Mix-and-match sizing and configurations

Value & Aesthetics

  • Enhances property appearance and value
  • Multiple design options for various architectural styles
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Transforming Your Space with Expert Fencing Supplier

Online supply means you can get started on your installation immediately. All our products come with a 7 year fencing warranty. Because of our online services and our warehouses situated across Australia, we cut out most of our overhead costs, while still providing convenient collection services and expedited deliveries for rural areas.

It’s as simple as 1, 2, 3.....
  • Measure-icon

    1. Measure up and work out what you need. Chat to our staff if you need help working out quantities.

  • payment-icon

    2. Place items into your shopping cart and pay with our secure online payment system.

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    3. Get your fence delivered or pick up from your local warehouse. DIY Installation phone support included.

Contact us Today
7-Year Warranty: Durability & Peace of Mind Guaranteed
7-Year Warranty: Durability & Peace of Mind Guaranteed

We offer a 7-year manufacturer warranty on all our fencing products, ensuring long-lasting quality and peace of mind with every purchase. Trust in our commitment to durability and shop confidently, knowing your fence is built to last and backed by exceptional support.

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