Free Quote on Any Order — Call us today for expert advice and a no-obligation quote on your retaining wall project.
Australia's Retaining Wall Specialists
Quality concrete sleepers & steel posts delivered Australia-wide
$49.00
Add your deal, information or promotional text
No products found in this collection
When Perth's reactive clay soils, driveway surcharge loads, or walls approaching 1.2m demand more than standard strength, 50MPa concrete sleepers are the trade-specified choice. Retaining Walls Direct supplies premium 50MPa concrete sleepers to Perth builders, landscapers, and homeowners who need engineered performance delivered direct to site across the Perth metropolitan area and regional WA.
Our 50MPa sleepers exceed the minimum requirements of AS 3600 and AS 1379, offering superior compressive strength and long-term durability in WA's variable soil conditions — from Bassendean sand on the coastal plain to reactive clay in the Perth Hills, Kalamunda, and Armadale corridors. Available in smooth, woodgrain, and charcoal finishes, 200mm wide and 2000mm long, in 75mm and 100mm thickness.
Choose 50MPa sleepers over standard 40MPa when your Perth project involves: walls subject to driveway or vehicle loads, reactive clay or expansive soils, walls over 1.0m in finished height, or boundary walls near structures. For walls over 1.2m or near boundaries, always engage a qualified structural engineer — WA Building Commission requirements apply.
50MPa sleepers pair with our full range of galvanised steel retaining wall posts Perth. For standard residential applications, 100 Series H-beam posts at 1.8m centres are typical. For reactive clay soils or surcharge loads, 150 Series posts with deeper embedment are recommended — confirm post sizing with your engineer for walls over 1.0m.
Regardless of sleeper strength, drainage is non-negotiable. Install ag pipe, drainage gravel, and geotextile fabric behind every wall. Perth's clay-heavy eastern suburbs are particularly prone to hydrostatic pressure build-up — the leading cause of retaining wall failure in WA.
Flat-bed and crane truck delivery available to all Perth metro suburbs and regional WA. Confirm site access before ordering — sleepers are heavy and require appropriate unloading equipment. Get a free delivered quote for your Perth postcode today.