{"product_id":"premium-sealed-concrete-sleepers-sandstone-storm-grey","title":"Premium Sealed Concrete Sleepers — Sandstone Storm Grey | 200×75mm","description":"\u003ch2\u003ePremium Sealed Concrete Sleepers — Sandstone Storm Grey | 200×75mm\u003c\/h2\u003e\n\n\u003cp\u003eThe Sandstone Storm Grey is the architectural choice in our Premium Sealed concrete sleeper range — a textured stone-block face finish in a deep, cool grey tone that suits modern homes, rendered walls, charcoal fencing, and high-contrast landscape designs. In 50 years of supplying retaining wall products across Australia, this finish consistently draws attention on feature walls and boundary retaining walls where the sleeper face is fully visible.\u003c\/p\u003e\n\n\u003cp\u003eEach sleeper is Australian-made from \u003cstrong\u003esteel-reinforced concrete rated 40+ MPa\u003c\/strong\u003e with 2 Reo bars, in a standard 200mm high × 75mm thick profile. The gloss-sealed face is more polished than plain concrete, easier to keep clean, and holds its colour better over time than unsealed alternatives.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eProduct specified and supplied by the Retaining Walls Direct trade team. Last updated July 2026.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eAvailable Sizes\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize (Post Centres)\u003c\/th\u003e\n\u003cth\u003eActual Sleeper Length\u003c\/th\u003e\n\u003cth\u003eApprox. Weight\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1600mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≈1585–1590mm\u003c\/td\u003e\n\u003ctd\u003e57kg\u003c\/td\u003e\n\u003ctd\u003e$57.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2000mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≈1985–1990mm\u003c\/td\u003e\n\u003ctd\u003e72kg\u003c\/td\u003e\n\u003ctd\u003e$65.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2400mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≈2385–2390mm\u003c\/td\u003e\n\u003ctd\u003e83kg\u003c\/td\u003e\n\u003ctd\u003e$78.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote on sizing:\u003c\/strong\u003e The stated length is the \u003cem\u003edistance between post centres\u003c\/em\u003e, not the physical sleeper length. The actual sleeper is approximately 10–15mm shorter so it seats correctly into the steel posts at each end. Each course is 200mm high — plan 5 sleepers per metre of wall height, per bay.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Sandstone Storm Grey?\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTextured stone-block face\u003c\/strong\u003e — Moulded relief pattern gives depth and shadow that plain concrete can't replicate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep cool grey tone\u003c\/strong\u003e — Pairs with charcoal Colorbond, rendered masonry, black steel posts, and modern landscaping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGloss-sealed finish\u003c\/strong\u003e — More polished appearance, easier to clean, better colour retention than unsealed concrete\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40+ MPa, 2 Reo bars\u003c\/strong\u003e — Full structural performance, not just a decorative product\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermite, rot and weather proof\u003c\/strong\u003e — No maintenance, no painting, no treatment required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAustralian-made\u003c\/strong\u003e — Manufactured to Australian standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete Your Retaining Wall System\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/steel-posts\"\u003e\u003cstrong\u003eSteel Retaining Wall Posts\u003c\/strong\u003e\u003c\/a\u003e — H-beam UC and C-channel PFC posts, hot-dip galvanised\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/drainage-kits-ag-pipe-weep-holes\"\u003e\u003cstrong\u003eDrainage Kits\u003c\/strong\u003e\u003c\/a\u003e — Ag pipe, geotextile fabric, and weep holes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/hardware-brackets-cleats-rwd\"\u003e\u003cstrong\u003eHardware \u0026amp; Brackets\u003c\/strong\u003e\u003c\/a\u003e — Post caps, fence brackets, and fixings\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/retaining-wall-kits-bundles\"\u003e\u003cstrong\u003eComplete Wall Kits\u003c\/strong\u003e\u003c\/a\u003e — Everything in one order\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/concrete-sleepers\"\u003e\u003cstrong\u003eBrowse All Concrete Sleepers\u003c\/strong\u003e\u003c\/a\u003e — Compare all finishes and grades\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDrainage, Engineering \u0026amp; Council Approval\u003c\/h3\u003e\n\n\u003cp\u003eInadequate drainage is the leading cause of retaining wall failure in Australia. Every wall must include a free-draining aggregate zone, geotextile fabric, and slotted ag pipe to a legal outlet. Walls over 1m in height typically require a building permit and engineer certification in NSW, VIC, QLD, WA, and SA — always confirm with your local council before starting. Built to the principles of \u003ca href=\"https:\/\/www.standards.org.au\" rel=\"noopener\" target=\"_blank\"\u003eAS 4678-2002 Earth-Retaining Structures\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does the Sandstone Storm Grey finish look like?\u003c\/strong\u003e\u003cbr\u003e\nA textured stone-block relief face in a deep cool grey tone — similar in appearance to rendered masonry or natural sandstone block, but in a consistent, sealed concrete finish. The texture creates shadow lines that give the wall depth and an architectural quality.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this finish suitable for a feature wall?\u003c\/strong\u003e\u003cbr\u003e\nYes — the Sandstone Storm Grey is our most popular finish for feature retaining walls and boundary walls where the sleeper face is fully visible. The textured face and sealed finish make it the premium choice for high-visibility applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow many sleepers do I need?\u003c\/strong\u003e\u003cbr\u003e\nFive sleepers per metre of wall height, per bay. For a 10m wall at 1m high with 2000mm post spacing: 5 sleepers × 5 bays = 25 sleepers. Always add 5–10% for cuts and wastage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhich posts do I need with these sleepers?\u003c\/strong\u003e\u003cbr\u003e\nC-channel PFC posts for walls under 1m in stable soil. H-beam UC posts for walls over 1m, reactive clay soils, or any wall with surcharge load (driveways, vehicles, structures). See our \u003ca href=\"\/collections\/steel-posts\"\u003esteel post range\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan you deliver to Western Australia?\u003c\/strong\u003e\u003cbr\u003e\nYes — however the maximum sleeper length available for WA delivery is \u003cstrong\u003e1500mm\u003c\/strong\u003e. Please select the 1600mm size and contact us to confirm WA availability, or choose the 1600mm and note your WA postcode when requesting a freight quote.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; Trade Pricing\u003c\/h3\u003e\n\n\u003cp\u003eSleepers are heavy goods delivered palletised by crane truck or flat-deck freight Australia-wide. \u003ca href=\"\/pages\/book-a-quote\"\u003eSend your postcode and quantities for a same-day freight quote\u003c\/a\u003e. Trade accounts and volume pricing available for builders, landscapers, and civil contractors — \u003ca href=\"\/pages\/contact-retaining-wall-direct\"\u003econtact our team\u003c\/a\u003e.\u003c\/p\u003e","brand":"Retaining Walls Direct","offers":[{"title":"Default Title","offer_id":52431283978520,"sku":null,"price":57.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/5595\/3688\/files\/standstone-storm-sealed-concrete-slepper.jpg?v=1784785982","url":"https:\/\/www.retainingwallsdirect.com.au\/products\/premium-sealed-concrete-sleepers-sandstone-storm-grey","provider":"Retaining Walls Direct","version":"1.0","type":"link"}