{"product_id":"treated-pine-sleeper-100mm","title":"Treated Pine Timber Sleeper H4 CCA 100mm Heavy Duty | Retaining Walls Direct","description":"\u003ch2\u003eTreated Pine Timber Sleeper — H4 CCA 100mm Heavy Duty\u003c\/h2\u003e\u003cp\u003eH4 CCA treated pine 100mm heavy duty timber sleepers are the structural timber option for retaining walls up to 1.0m in well-drained conditions. The additional 100mm thickness provides greater section depth and bending resistance compared to 75mm sleepers, making them suitable for slightly higher walls where a timber aesthetic is preferred and budget is the primary constraint.\u003c\/p\u003e\u003cp\u003eWith 40+ years of hands-on retaining wall experience across Australia, we supply treated pine sleepers alongside our concrete range. For any wall where longevity, structural performance, and low maintenance are priorities, we recommend our \u003ca href=\"\/collections\/concrete-sleepers-sydney\"\u003econcrete sleeper range\u003c\/a\u003e instead. See our comparison: \u003ca href=\"\/blogs\/news\/how-to-build-concrete-sleeper-retaining-wall\"\u003eConcrete vs Timber Sleepers — Which Should You Choose?\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 100mm heavy duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreatment:\u003c\/strong\u003e H4 CCA (Copper Chrome Arsenate) — suitable for in-ground contact\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Retaining walls up to 1.0m in well-drained conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTimber vs Concrete — Honest Comparison\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifespan:\u003c\/strong\u003e H4 CCA pine typically lasts 15–25 years in Australian soil. Concrete sleepers last 50+ years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Timber requires periodic inspection and replacement. Concrete requires zero maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost:\u003c\/strong\u003e Lower upfront cost, higher lifetime cost due to replacement cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e Budget-constrained projects where replacement is acceptable\u003c\/li\u003e\n\u003c\/ul\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\/treated-pine-timber-sleeper-h4-cca-75mm\"\u003eTreated Pine Timber Sleeper H4 CCA 75mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/charcoal-concrete-sleeper-2000x200x100mm\"\u003eHeavy Duty Concrete Sleeper — 2000x200x100mm (longer lasting alternative)\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\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=\"\/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":"1800mm","offer_id":52125643440408,"sku":"TPIN-100-1800mm","price":33.53,"currency_code":"AUD","in_stock":true},{"title":"2400mm","offer_id":52125643473176,"sku":"TPIN-100-2400mm","price":44.0,"currency_code":"AUD","in_stock":true},{"title":"3000mm","offer_id":52125643505944,"sku":"TPIN-100-3000mm","price":55.51,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/5595\/3688\/files\/specifications-thickness-100mm-heavy-duty-treatment-h4-cca-copper-chrome-arsenate-suitable-for-in-ground-contact-application-retaining-walls-up-to-1-0m-in-well-drained-conditions-show.png?v=1780803196","url":"https:\/\/www.retainingwallsdirect.com.au\/products\/treated-pine-sleeper-100mm","provider":"Retaining Walls Direct","version":"1.0","type":"link"}