{"title":"40MPa Concrete Sleepers — 80mm to 120mm Range","description":"\u003cdiv class=\"rwd-collection-intro\"\u003e\n\n  \u003cp\u003e40MPa concrete sleepers are the proven specification for Australian residential retaining walls — strong enough for walls up to 1.0m in standard soil conditions, available in 80mm, 100mm, and 120mm thicknesses, and manufactured to comply with AS 4678-2002 Earth Retaining Structures. Every sleeper in this range ships nationwide by crane truck, direct from Retaining Walls Direct.\u003c\/p\u003e\n\n  \u003ch2\u003eWhat Does 40MPa Mean?\u003c\/h2\u003e\n  \u003cp\u003eMPa (megapascal) is a measure of compressive strength — how much load the concrete can withstand before failure. 40MPa is the standard residential specification for most Australian retaining wall applications. It exceeds the minimum requirements for garden walls, driveway batters, boundary walls, and landscaping structures up to 1.0m in height under normal soil and drainage conditions.\u003c\/p\u003e\n  \u003cp\u003eFor walls over 1.0m, walls on reactive clay soils, or walls subject to vehicle surcharge loads, consider our \u003ca href=\"\/collections\/50mpa-concrete-sleepers\"\u003e50MPa Concrete Sleepers\u003c\/a\u003e or \u003ca href=\"\/collections\/60mpa-concrete-sleepers\"\u003e60MPa Concrete Sleepers\u003c\/a\u003e.\u003c\/p\u003e\n\n  \u003ch2\u003eChoosing the Right Thickness: 80mm vs 100mm vs 120mm\u003c\/h2\u003e\n  \u003cp\u003eThickness is the most important structural decision in sleeper selection. Thicker sleepers carry greater lateral soil pressure and allow taller retained heights. The guide below applies to standard residential soil conditions — always confirm with a qualified engineer for walls over 1.0m or on reactive clay.\u003c\/p\u003e\n\n  \u003ctable style=\"width:100%; border-collapse:collapse; margin:1.25rem 0; font-size:0.9rem;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#1a5c2a; color:#fff;\"\u003e\n        \u003cth style=\"padding:0.65rem 1rem; text-align:left;\"\u003eThickness\u003c\/th\u003e\n        \u003cth style=\"padding:0.65rem 1rem; text-align:left;\"\u003eMax Retained Height\u003c\/th\u003e\n        \u003cth style=\"padding:0.65rem 1rem; text-align:left;\"\u003eTypical Application\u003c\/th\u003e\n        \u003cth style=\"padding:0.65rem 1rem; text-align:left;\"\u003eCompatible Posts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom:1px solid #e5e3de;\"\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003e\u003cstrong\u003e80mm\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003eUp to 1.0m\u003c\/td\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003eGarden beds, driveway batters, shallow level changes, landscape borders\u003c\/td\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003e100 Series H-Beam or C-Channel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom:1px solid #e5e3de; background:#faf9f6;\"\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003e\u003cstrong\u003e100mm\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003eUp to 1.5m\u003c\/td\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003eStandard residential retaining walls, boundary walls, driveway cut-and-fill applications\u003c\/td\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003e150 Series H-Beam or C-Channel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003e\u003cstrong\u003e120mm\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003eUp to 2.0m*\u003c\/td\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003eTaller residential walls, tiered wall systems, walls in moderate surcharge conditions\u003c\/td\u003e\n        \u003ctd style=\"padding:0.65rem 1rem;\"\u003e150 Series or 200 Series H-Beam\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"font-size:0.82rem; color:#666;\"\u003e*Engineer certification required for walls over 1.0m in most Australian states and territories. Always check with your local council. See our \u003ca href=\"\/pages\/retaining-wall-regulations-australia\"\u003eAustralian Retaining Wall Regulations Guide\u003c\/a\u003e.\u003c\/p\u003e\n\n  \u003ch2\u003eAvailable Finishes\u003c\/h2\u003e\n  \u003cp\u003eAll sleepers in the 40MPa range are available in multiple surface finishes, allowing you to match the wall to your landscape aesthetic without compromising structural performance.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSmooth Face\u003c\/strong\u003e — Clean, contemporary finish. Popular for modern homes, architectural landscaping, and commercial projects. Low maintenance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWoodgrain\u003c\/strong\u003e — Warm, natural timber aesthetic in a maintenance-free concrete profile. Suits coastal, rural, and traditional residential settings.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBlock-Face\u003c\/strong\u003e — Textured stone-block appearance. Suits period homes, rendered boundary walls, and landscaping where natural texture is desired.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eFinishes are available in Charcoal, Sandstone, and Jasper colour options across most profiles.\u003c\/p\u003e\n\n  \u003ch2\u003eSpecifications\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eCompressive strength: 40MPa minimum at 28 days\u003c\/li\u003e\n    \u003cli\u003eSteel reinforcement: 2 x N10 ACRS-certified deformed bars (N12 on 120mm profiles)\u003c\/li\u003e\n    \u003cli\u003eStandard lengths: 1800mm, 2000mm, 2400mm (3000mm available on selected profiles)\u003c\/li\u003e\n    \u003cli\u003eStandard width: 200mm\u003c\/li\u003e\n    \u003cli\u003eManufactured to AS 3600 Concrete Structures and AS 1379 Specification and Supply of Concrete\u003c\/li\u003e\n    \u003cli\u003eDesigned for use in retaining wall systems in accordance with AS 4678-2002 Earth Retaining Structures\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003ePost Compatibility\u003c\/h2\u003e\n  \u003cp\u003eOur 40MPa concrete sleepers slot directly between our galvanised steel H-beam and C-channel posts. All posts and sleepers are designed as a compatible system — no mixing of suppliers, no fitment issues on site.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e80mm sleepers\u003c\/strong\u003e → \u003ca href=\"\/collections\/100-series-steel-posts\"\u003e100 Series H-Beam (100UC) or C-Channel (100PFC)\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e100mm sleepers\u003c\/strong\u003e → \u003ca href=\"\/collections\/150-series-steel-posts\"\u003e150 Series H-Beam (150UC) or C-Channel (150PFC)\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e120mm sleepers\u003c\/strong\u003e → \u003ca href=\"\/collections\/150-series-steel-posts\"\u003e150 Series\u003c\/a\u003e or \u003ca href=\"\/collections\/200-series-steel-posts\"\u003e200 Series H-Beam\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eNot sure which post suits your application? Call us on \u003ca href=\"tel:1800880124\"\u003e1800 880 124\u003c\/a\u003e and we'll spec the correct post size and embedment depth for your wall height and soil conditions.\u003c\/p\u003e\n\n  \u003ch2\u003eDelivery Nationwide by Crane Truck\u003c\/h2\u003e\n  \u003cp\u003eRetaining Walls Direct delivers concrete sleepers to all states and territories by crane truck. Crane delivery drops materials exactly where you need them on site — no hand-unloading, no fumbling with forklifts, no wasted time. Delivery is available to metro and regional areas across NSW, VIC, QLD, SA, WA, TAS, ACT, and NT. \u003ca href=\"\/pages\/delivery-information\"\u003eView delivery information\u003c\/a\u003e or call for a delivered price to your suburb.\u003c\/p\u003e\n\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n  \u003cdetails style=\"margin-bottom:1rem; border-bottom:1px solid #e5e3de; padding-bottom:1rem;\"\u003e\n    \u003csummary style=\"font-weight:700; cursor:pointer; padding:0.25rem 0;\"\u003eAre 40MPa sleepers suitable for a residential retaining wall?\u003c\/summary\u003e\n    \u003cp style=\"margin-top:0.75rem;\"\u003eYes. 40MPa is the standard specification for most Australian residential retaining walls under 1.0m in stable, well-drained ground. For walls over 1.0m, walls in reactive clay, or walls subject to vehicle loads, we recommend 50MPa or 60MPa sleepers.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom:1rem; border-bottom:1px solid #e5e3de; padding-bottom:1rem;\"\u003e\n    \u003csummary style=\"font-weight:700; cursor:pointer; padding:0.25rem 0;\"\u003eDo I need council approval for a 40MPa retaining wall?\u003c\/summary\u003e\n    \u003cp style=\"margin-top:0.75rem;\"\u003eThis depends on your state and council. In most Australian states, retaining walls under 600mm–1.0m can be built as exempt development. Walls above this threshold typically require a development application or building permit. See our \u003ca href=\"\/pages\/retaining-wall-regulations-australia\"\u003estate-by-state regulations guide\u003c\/a\u003e or check with your local council before commencing.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom:1rem; border-bottom:1px solid #e5e3de; padding-bottom:1rem;\"\u003e\n    \u003csummary style=\"font-weight:700; cursor:pointer; padding:0.25rem 0;\"\u003eWhat steel posts do I need for 40MPa sleepers?\u003c\/summary\u003e\n    \u003cp style=\"margin-top:0.75rem;\"\u003ePost selection depends on sleeper thickness: 80mm sleepers suit 100 Series posts; 100mm sleepers suit 150 Series posts; 120mm sleepers suit 150 or 200 Series posts. Post spacing, embedment depth, and footing size should be confirmed against your wall height and site conditions. Our team can advise — call \u003ca href=\"tel:1800880124\"\u003e1800 880 124\u003c\/a\u003e.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom:1rem; border-bottom:1px solid #e5e3de; padding-bottom:1rem;\"\u003e\n    \u003csummary style=\"font-weight:700; cursor:pointer; padding:0.25rem 0;\"\u003eAre these sleepers available for delivery outside NSW?\u003c\/summary\u003e\n    \u003cp style=\"margin-top:0.75rem;\"\u003eYes. Retaining Walls Direct delivers nationwide by crane truck. We supply to metro and regional areas across all Australian states and territories. Call us for a delivered price to your location.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom:1rem;\"\u003e\n    \u003csummary style=\"font-weight:700; cursor:pointer; padding:0.25rem 0;\"\u003eWhat is the difference between 80mm, 100mm, and 120mm sleepers?\u003c\/summary\u003e\n    \u003cp style=\"margin-top:0.75rem;\"\u003eThickness determines the sleeper's structural capacity. 80mm sleepers suit low-height garden and landscape walls (up to 1.0m). 100mm sleepers suit standard residential retaining applications (up to 1.5m in good soil conditions). 120mm sleepers are for taller walls and moderate surcharge situations. Always confirm sizing with a qualified engineer for walls over 1.0m.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","products":[{"product_id":"arizona-block-face-sleepers","title":"Arizona Block-Face Concrete Sleepers","description":"\u003ch2\u003eArizona Block-Face Concrete Sleepers\u003c\/h2\u003e\u003cp\u003eThe Arizona block-face is the sleeper we recommend when the wall needs to do two jobs at once — hold the ground and look like it belongs there. The deeply textured face replicates the irregular surface of hand-cut sandstone or dry-stacked fieldstone, giving your retaining wall the visual weight and character of natural stone without the cost, the cracking, or the ongoing maintenance that comes with it.\u003c\/p\u003e\u003cp\u003eWith many years of hands-on retaining wall experience across Australia, we've seen what happens when homeowners choose the wrong sleeper for the wrong site. The Arizona is a premium finish — it deserves the right specification behind it. That means the right MPa grade for your soil, the right post series for your wall height, and the right drainage system behind every course. We'll help you get all three right before you order.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Arizona block-face — deeply textured, irregular cut-stone profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1800mm, 2000mm, and 2400mm lengths × 200mm wide × 80mm or 100mm thick\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength grades:\u003c\/strong\u003e 40MPa standard | 50MPa heavy duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforcement:\u003c\/strong\u003e Steel reinforced throughout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e \u003ca href=\"https:\/\/store.standards.org.au\/product\/as-4678-2002\" target=\"_blank\" rel=\"noopener\"\u003eAS 4678-2002 Earth Retaining Structures\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Natural concrete grey — weathers to a consistent, earthy tone\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich Strength Grade Do You Need?\u003c\/h3\u003e\u003ch4\u003e40MPa — Standard Residential\u003c\/h4\u003e\u003cp\u003eSuitable for walls under 1.0m in stable, well-drained ground. Appropriate for sandy loam soils, sandstone-based sites (Sydney's North Shore and Eastern Suburbs, Perth's coastal strip), and low-load garden walls where soil movement is minimal.\u003c\/p\u003e\u003ch4\u003e50MPa — Heavy Duty (Recommended for Most Australian Sites)\u003c\/h4\u003e\u003cp\u003eThe correct specification for reactive clay soils, walls over 1.0m, driveway walls with vehicle surcharge, and any engineer-specified design. If you're building in Western Sydney's Wianamatta Shale clay, Melbourne's outer eastern or western suburbs, Brisbane's Oxley Clay corridor, or Adelaide's reactive soils — 50MPa is the right choice. When in doubt, specify 50MPa. The cost difference is small; the structural difference is significant.\u003c\/p\u003e\u003ch3\u003eWhich Thickness — 80mm or 100mm?\u003c\/h3\u003e\u003cp\u003eThe 80mm sleeper is the standard residential thickness, suitable for walls up to 1.2m in most conditions. The 100mm heavy duty sleeper is specified for walls over 1.2m, high surcharge loads, reactive clay sites, and any application where your engineer requires additional bending resistance. For the Arizona finish specifically, the 100mm thickness also adds visual depth to the block-face profile — worth considering for feature walls where aesthetics matter as much as performance.\u003c\/p\u003e\u003ch3\u003eWhere the Arizona Block-Face Works Best\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTraditional, heritage, and federation-style homes where rendered or brick finishes dominate\u003c\/li\u003e\n\u003cli\u003eRural, acreage, and lifestyle properties where a natural stone aesthetic suits the landscape\u003c\/li\u003e\n\u003cli\u003eLarge garden terracing and tiered retaining walls where visual scale matters\u003c\/li\u003e\n\u003cli\u003eBoundary walls and street-facing retaining walls where kerb appeal is a priority\u003c\/li\u003e\n\u003cli\u003ePairing with natural stone capping, brick paving, and rendered masonry\u003c\/li\u003e\n\u003cli\u003eCommercial landscaping and council projects requiring a premium finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePairing with the Right Steel Post\u003c\/h3\u003e\u003cp\u003eThe Arizona sleeper is only as good as the post system behind it. Post selection depends on your wall height, soil type, and any surcharge loading above the wall.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWalls under 1.0m, stable ground:\u003c\/strong\u003e \u003ca href=\"\/products\/c-channel-pfc-steel-post-for-concrete-sleepers\"\u003eC-Channel (PFC) posts\u003c\/a\u003e — standard residential specification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWalls over 1.0m or reactive clay:\u003c\/strong\u003e \u003ca href=\"\/products\/h-beam-steel-post-for-concrete-sleepers\"\u003eH-Beam (UC) posts\u003c\/a\u003e — the structural specification for demanding sites\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorners and returns:\u003c\/strong\u003e \u003ca href=\"\/products\/corner-l-post-joiner-end-post-for-retaining-walls\"\u003eCorner, joiner and end posts\u003c\/a\u003e — galvanised to match\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot sure which post series suits your wall? Read our \u003ca href=\"\/pages\/steel-post-sizing-guide\"\u003eSteel Post Sizing Guide\u003c\/a\u003e or \u003ca href=\"\/pages\/book-a-quote\"\u003eask our team\u003c\/a\u003e — we'll specify the correct post before you order.\u003c\/p\u003e\u003ch3\u003eDrainage — Non-Negotiable Behind Every Wall\u003c\/h3\u003e\u003cp\u003eHydrostatic pressure from water build-up behind a retaining wall is the leading cause of wall failure in Australia — more common than wrong post sizing or poor construction. Every concrete sleeper retaining wall, regardless of height or finish, requires a complete drainage system: ag pipe at the base, drainage gravel behind the sleepers, geotextile filter fabric to prevent soil migration, and weep holes through the lowest course. Our \u003ca href=\"\/products\/drainage-kit-for-retaining-walls\"\u003eDrainage Kit\u003c\/a\u003e includes everything you need in one order.\u003c\/p\u003e\u003ch3\u003eCouncil Approval — Know Before You Build\u003c\/h3\u003e\u003cp\u003eIn most Australian states, retaining walls over 600mm–1.0m require a building permit or development approval, and walls over 1.0m near boundaries or structures require a structural engineer's certification. Requirements vary by state and council. See our \u003ca href=\"\/pages\/retaining-wall-regulations-australia\"\u003eRetaining Wall Regulations — State-by-State Guide\u003c\/a\u003e before commencing work.\u003c\/p\u003e\u003ch3\u003eWhat You'll Also Need\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/h-beam-steel-post-for-concrete-sleepers\"\u003e\u003cstrong\u003eH-Beam Steel Posts\u003c\/strong\u003e\u003c\/a\u003e — for walls over 1.0m or reactive clay sites\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/c-channel-pfc-steel-post-for-concrete-sleepers\"\u003e\u003cstrong\u003eC-Channel Steel Posts\u003c\/strong\u003e\u003c\/a\u003e — for standard residential walls under 1.0m\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/drainage-kit-for-retaining-walls\"\u003e\u003cstrong\u003eDrainage Kit\u003c\/strong\u003e\u003c\/a\u003e — ag pipe, drainage gravel and geotextile in one order\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/geotextile-fabric-wall-liner-for-retaining-walls\"\u003e\u003cstrong\u003eGeotextile Fabric\u003c\/strong\u003e\u003c\/a\u003e — filter fabric to prevent soil migration into drainage zone\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/retaining-wall-hardware-pack-brackets-cleats-fixings\"\u003e\u003cstrong\u003eHardware Pack\u003c\/strong\u003e\u003c\/a\u003e — brackets, cleats and fixings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDelivery Across Australia\u003c\/h3\u003e\u003cp\u003eArizona block-face concrete sleepers are delivered by flat-bed or crane truck direct to your site across Sydney, Melbourne, Brisbane, Perth, Adelaide, Canberra, Gold Coast, and regional Australia. Crane truck access (minimum 3m clearance) is required for most sleeper deliveries — confirm site access when booking. \u003ca href=\"\/pages\/book-a-quote\"\u003eGet a free delivery quote\u003c\/a\u003e to your postcode.\u003c\/p\u003e\u003ch3\u003eRelated Products\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/natural-concrete-sleepers\"\u003eNatural Concrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/malibu-woodgrain-sleepers\"\u003eMalibu Woodgrain Concrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/stackstone-concrete-sleepers\"\u003eStackstone Concrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/charcoal-concrete-sleeper-2000x200x75mm\"\u003eCharcoal Concrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGuides \u0026amp; Resources\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/retaining-wall-advice\/how-to-build-concrete-sleeper-retaining-wall\"\u003eHow to Build a Retaining Wall with Concrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/retaining-wall-advice\/what-size-concrete-sleepers-75mm-vs-100mm\"\u003e75mm vs 100mm Concrete Sleepers — Which Should You Choose?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/retaining-wall-advice\/retaining-wall-drainage-guide\"\u003eRetaining Wall Drainage — Why It Matters and How to Do It Right\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/retaining-wall-advice\/retaining-wall-soil-types-clay-sand-rock\"\u003eRetaining Wall Soil Types — How Clay, Sand and Rock Affect Your Wall\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/retaining-wall-regulations-australia\"\u003eRetaining Wall Regulations — State-by-State Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/concrete-sleeper-buying-guide\"\u003eConcrete Sleeper Buying Guide Australia 2026\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RetainingWallsDirect","offers":[{"title":"1800x200x80mm \/ Charcoal","offer_id":52125641146648,"sku":"ARIZ-1800x200x80mm","price":58.99,"currency_code":"AUD","in_stock":true},{"title":"1800x200x80mm \/ Jasper","offer_id":52276998635800,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"1800x200x80mm \/ Sandstone","offer_id":52276998668568,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2000x200x100mm \/ Charcoal","offer_id":52277000995096,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2000x200x100mm \/ Jasper","offer_id":52277001027864,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2000x200x100mm \/ Sandstone","offer_id":52277001060632,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2400x200x80mm \/ Charcoal","offer_id":52277001093400,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2400x200x80mm \/ Jasper","offer_id":52277001126168,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2400x200x80mm \/ Sandstone","offer_id":52277001158936,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2400x200x100mm \/ Charcoal","offer_id":52277001191704,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2400x200x100mm \/ Jasper","offer_id":52277001224472,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2400x200x100mm \/ Sandstone","offer_id":52277001257240,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2000x200x80mm \/ Charcoal","offer_id":52277001290008,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2000x200x80mm \/ Jasper","offer_id":52277001322776,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"2000x200x80mm \/ Sandstone","offer_id":52277001355544,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"1800x200x100mm \/ Charcoal","offer_id":52277001388312,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"1800x200x100mm \/ Jasper","offer_id":52277001421080,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false},{"title":"1800x200x100mm \/ Sandstone","offer_id":52277001453848,"sku":null,"price":58.99,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/5595\/3688\/files\/arizona-block-face-concrete-sleepers-used-in-retaining-walls.png?v=1780795306"},{"product_id":"marina-smooth-sleepers","title":"Marina Smooth Concrete Sleepers","description":"\u003ch2\u003eMarina Smooth Concrete Sleepers\u003c\/h2\u003e\u003cp\u003eThe Marina smooth concrete sleeper is the contemporary choice for modern Australian homes and architectural landscaping projects. A clean, flat face with a refined finish that pairs perfectly with rendered masonry, Colorbond steel fencing, and minimalist garden design. Where other finishes add texture, Marina delivers a sophisticated, understated look that lets the wall become part of the architecture.\u003c\/p\u003e\u003cp\u003eAll Marina sleepers are steel reinforced and comply with \u003ca href=\"https:\/\/store.standards.org.au\/product\/as-4678-2002\" target=\"_blank\" rel=\"noopener\"\u003eAS 4678-2002 Earth Retaining Structures\u003c\/a\u003e. Delivered direct to your site, Australia-wide.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Marina smooth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e 40MPa standard \/ 50MPa heavy duty available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforcement:\u003c\/strong\u003e Steel reinforced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e AS 4678-2002 Earth Retaining Structures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModern and contemporary home styles\u003c\/li\u003e\n\u003cli\u003eWalls to be painted or rendered\u003c\/li\u003e\n\u003cli\u003ePool surrounds and outdoor entertaining areas\u003c\/li\u003e\n\u003cli\u003ePairing with Colorbond steel fencing on top of the wall\u003c\/li\u003e\n\u003cli\u003eCommercial and architectural landscaping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePairing with the Right Steel Post\u003c\/h3\u003e\u003cp\u003eFor walls under 1.0m in stable ground, pair with \u003ca href=\"\/products\/c-channel-pfc-steel-post-for-concrete-sleepers\"\u003eC-Channel posts\u003c\/a\u003e. For walls over 1.0m or reactive clay sites, pair with \u003ca href=\"\/products\/h-beam-steel-post-for-concrete-sleepers\"\u003eH-Beam posts\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eDelivery\u003c\/h3\u003e\u003cp\u003eDelivered across Sydney, Melbourne, Brisbane, Perth, Adelaide, Canberra, Gold Coast, and regional Australia. \u003ca href=\"\/pages\/book-a-quote\"\u003eGet a free quote\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eRelated Products\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/malibu-woodgrain-concrete-sleepers\"\u003eMalibu Woodgrain Concrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/charcoal-concrete-sleeper-2000x200x75mm\"\u003eCharcoal Concrete Sleeper — 2000x200x75mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/h-beam-steel-post-for-concrete-sleepers\"\u003eH-Beam Steel Post for Concrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/drainage-kit-for-retaining-walls\"\u003eDrainage Kit for Retaining Walls\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGuides \u0026amp; Resources\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/how-to-build-concrete-sleeper-retaining-wall\"\u003eHow to Build a Retaining Wall with Concrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/75mm-vs-100mm-concrete-sleepers-which-should-you-choose\"\u003e75mm vs 100mm Concrete Sleepers — Which Should You Choose?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/retaining-wall-regulations-australia\"\u003eRetaining Wall Regulations — State-by-State Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RetainingWallsDirect","offers":[{"title":"1800x200x80mm","offer_id":52125641310488,"sku":"MARN-1800x200x80mm","price":38.21,"currency_code":"AUD","in_stock":true},{"title":"2000x200x80mm","offer_id":52125641343256,"sku":"MARN-2000x200x80mm","price":44.0,"currency_code":"AUD","in_stock":true},{"title":"2000x200x100mm","offer_id":52125641376024,"sku":"MARN-2000x200x100mm","price":52.0,"currency_code":"AUD","in_stock":true},{"title":"2400x200x80mm","offer_id":52125641408792,"sku":"MARN-2400x200x80mm","price":58.0,"currency_code":"AUD","in_stock":true},{"title":"2400x200x100mm","offer_id":52125641441560,"sku":"MARN-2400x200x100mm","price":70.0,"currency_code":"AUD","in_stock":true},{"title":"2400x200x120mm","offer_id":52125641474328,"sku":"MARN-2400x200x120mm","price":95.0,"currency_code":"AUD","in_stock":true},{"title":"3000x200x80mm","offer_id":52125641507096,"sku":"MARN-3000x200x80mm","price":113.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/5595\/3688\/files\/smooth_sleepers.jpg?v=1780795077"},{"product_id":"malibu-woodgrain-sleepers","title":"Malibu Woodgrain Concrete Sleepers","description":"\u003ch2\u003eMalibu Woodgrain Concrete Sleepers\u003c\/h2\u003e\u003cp\u003eThe Malibu woodgrain concrete sleeper delivers a warm, coastal timber aesthetic with the structural durability and zero-maintenance performance of reinforced concrete. Inspired by the bleached, sun-weathered timber of coastal Australian homes, the Malibu finish suits beachside properties, coastal gardens, and any project where a relaxed, natural look is the goal — without the rot, termites, and ongoing maintenance that real timber demands.\u003c\/p\u003e\u003cp\u003eAll Malibu sleepers are steel reinforced and comply with \u003ca href=\"https:\/\/store.standards.org.au\/product\/as-4678-2002\" rel=\"noopener\" target=\"_blank\"\u003eAS 4678-2002 Earth Retaining Structures\u003c\/a\u003e. Delivered direct to your site, Australia-wide.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Malibu woodgrain texture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e 40MPa standard \/ 50MPa heavy duty available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforcement:\u003c\/strong\u003e Steel reinforced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e AS 4678-2002 Earth Retaining Structures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCoastal and beachside properties\u003c\/li\u003e\n\u003cli\u003eRelaxed, natural garden aesthetics\u003c\/li\u003e\n\u003cli\u003ePairing with timber decking and natural stone\u003c\/li\u003e\n\u003cli\u003eSubtropical and tropical landscaping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePairing with the Right Steel Post\u003c\/h3\u003e\u003cp\u003eFor walls under 1.0m in stable ground, pair with \u003ca href=\"\/products\/c-channel-pfc-steel-post-for-concrete-sleepers\"\u003eC-Channel posts\u003c\/a\u003e. For walls over 1.0m or reactive clay sites, pair with \u003ca href=\"\/products\/h-beam-steel-post-for-concrete-sleepers\"\u003eH-Beam posts\u003c\/a\u003e. See: \u003ca href=\"\/blogs\/news\/h-beam-vs-c-channel-steel-posts-which-do-you-need\"\u003eH-Beam vs C-Channel — Which Do You Need?\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eDelivery\u003c\/h3\u003e\u003cp\u003eDelivered across Sydney, Melbourne, Brisbane, Perth, Adelaide, Canberra, Gold Coast, and regional Australia. \u003ca href=\"\/pages\/book-a-quote\"\u003eGet a free quote\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eRelated Products\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/marina-smooth-concrete-sleepers\"\u003eMarina Smooth Concrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/charcoal-concrete-sleeper-2000x200x75mm\"\u003eCharcoal Concrete Sleeper — 2000x200x75mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/h-beam-steel-post-for-concrete-sleepers\"\u003eH-Beam Steel Post for Concrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/drainage-kit-for-retaining-walls\"\u003eDrainage Kit for Retaining Walls\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGuides \u0026amp; Resources\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/how-to-build-concrete-sleeper-retaining-wall\"\u003eHow to Build a Retaining Wall with Concrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/75mm-vs-100mm-concrete-sleepers-which-should-you-choose\"\u003e75mm vs 100mm Concrete Sleepers — Which Should You Choose?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/retaining-wall-regulations-australia\"\u003eRetaining Wall Regulations — State-by-State Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RetainingWallsDirect","offers":[{"title":"1800x200x80mm","offer_id":52125641539864,"sku":"MALI-1800x200x80mm","price":53.75,"currency_code":"AUD","in_stock":true},{"title":"2000x200x80mm","offer_id":52125641572632,"sku":"MALI-2000x200x80mm","price":58.0,"currency_code":"AUD","in_stock":true},{"title":"2000x200x100mm","offer_id":52125641605400,"sku":"MALI-2000x200x100mm","price":62.0,"currency_code":"AUD","in_stock":true},{"title":"2400x200x80mm","offer_id":52125641638168,"sku":"MALI-2400x200x80mm","price":64.0,"currency_code":"AUD","in_stock":true},{"title":"2400x200x100mm","offer_id":52125641670936,"sku":"MALI-2400x200x100mm","price":68.08,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/5595\/3688\/files\/Malibu-Woodgrain-Charcoal-Concre.jpg?v=1781489251"}],"url":"https:\/\/www.retainingwallsdirect.com.au\/collections\/40mpa-concrete-sleepers-80mm-to-120mm-range.oembed","provider":"Retaining Walls Direct","version":"1.0","type":"link"}