SuperSleeper is a lightweight, tough composite sleeper designed for retaining walls, garden beds and landscaping. Weighing under 6 kg, it replaces heavy concrete or timber sleepers, making installation faster, safer and DIY-friendly. SuperSleeper is a horizontal support beam made from strong, FRP (fibre-reinforced polymer) composite. Each one is precision-engineered to resist rot, rust, warping and cracking, while offering a sleek, modern finish for any outdoor area . Easy to install: Weighs less than 6 kg (vs ~80 kg for a concrete sleeper), so you can lift and position it yourself, no heavy machinery needed . Less labour required! Built to last: Designed to last over 100 years, meeting Australian structural standards for retaining walls up to 1.6 m high. Durable and weather-proof: Resistant to UV, fire, corrosion and moisture thanks to built-in UV protection and surface coatings . Eco‑friendly: Made from environmentally conscious materials that require ~75% less CO₂ to manufacture than concrete, and lighter weight reduces transport emissions. DIY and Pro ready: Smooth surfaces – no splinters, and easily cut to size with common tools. Perfect for homeowners or trade professionals looking for quick, clean results. 35-Year Warranty: Supersleeper warrants the product for 35 years when installed correctly using SuperSleeper accessories and with approved engineering and compliance. Key Features Won’t warp, crack or rot UV- and weather-resistant Ideal for retaining walls, raised beds and edging Lightweight for easy handling and DIY-friendly Designed for Australian conditions & standards AS4678 Earth-retaining Structures AS1170.2 Wind Loads 1170 Structural design Actions SuperSleeper FRP Composite Sleeper Specifications Dimensions: 1550mm (L) × 205mm (H) × 60mm (W) Weight: 3.7 kg Suitable for wall heights: Up to 2000mm Dimensions: 1950mm (L) × 205mm (H) × 60mm (W) Weight: 5.4 kg Suitable for wall heights: Up to 2000mm Dimensions: 2350mm (L) × 205mm (H) × 60mm (W) Weight: 5.55 kg Suitable for wall heights: Up to 600mm Installing this yourself? Check out our step by step blog - How to install SuperSleepers Looking to make the change to a lightweight composite retaining wall or want to learn more about it? Come down to our Eagle Farm warehouse for a comparison and consultation for your project.
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