{"title":"150 Heavy Duty Series Steel Posts Brisbane \u0026 Queensland","description":"\u003ch2\u003e150 Heavy Duty Series Steel Posts for Retaining Walls — Brisbane \u0026amp; Queensland\u003c\/h2\u003e\u003cp\u003eWhen standard 100 Series posts aren't enough — for tall walls, heavy surcharge loads, commercial projects, or engineer-specified designs — the 150 Heavy Duty Series delivers the structural capacity required. With a wider 150mm flange width and significantly greater section modulus than the 100 Series, these posts are engineered for the most demanding retaining wall applications across Brisbane and Queensland. Retaining Walls Direct has supplied 150 Series posts to engineers, builders, and commercial contractors across QLD for over 40 years.\u003c\/p\u003e\u003ch3\u003e150 Series Post Types\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e150 C-Channel (PFC)\u003c\/strong\u003e — heavy duty channel post for walls between 1.2m and 1.8m in stable ground conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e150 H-Beam (UC)\u003c\/strong\u003e — maximum strength post for tall walls, high surcharge, and engineer-specified commercial designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e150 Series Corner Posts (45° \u0026amp; 90°)\u003c\/strong\u003e — heavy duty corner posts for direction changes in the 150 Series system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e150 Series End Posts \u0026amp; Joiners\u003c\/strong\u003e — for clean terminations on heavy duty wall systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFeatures \u0026amp; Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHot-dip galvanised to \u003ca href=\"https:\/\/www.standards.org.au\/standards-catalogue\/sa-snz\/building\/bd-001\/as--nzs-4680\" target=\"_blank\" rel=\"noopener\"\u003eAS\/NZS 4680\u003c\/a\u003e — maximum corrosion resistance in Queensland's subtropical conditions\u003c\/li\u003e\n\u003cli\u003e150mm flange width — significantly greater bending resistance than 100 Series\u003c\/li\u003e\n\u003cli\u003eAccepts 75mm and 100mm concrete sleepers\u003c\/li\u003e\n\u003cli\u003eSupplied in standard lengths — cut to embedment depth on site\u003c\/li\u003e\n\u003cli\u003eSuitable for walls from 1.5m to 2.0m+ (engineer certification required above 1.0m in QLD)\u003c\/li\u003e\n\u003cli\u003eThe post system specified for commercial retaining wall projects across Queensland\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen to Specify the 150 Heavy Duty Series\u003c\/h3\u003e\u003cp\u003eUpgrade from the 100 Standard Series to the 150 Heavy Duty Series when:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eYour wall exceeds 1.5m in height\u003c\/li\u003e\n\u003cli\u003eThere is significant surcharge loading — vehicle traffic, structures, or steep embankments above the wall\u003c\/li\u003e\n\u003cli\u003eThe project is commercial, industrial, or requires a higher factor of safety\u003c\/li\u003e\n\u003cli\u003eYour structural engineer has specified 150 Series posts in their design\u003c\/li\u003e\n\u003cli\u003eThe site has highly expansive clay soils or poor drainage conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor standard residential walls under 1.5m, see our \u003ca href=\"\/collections\/100-standard-series-steel-posts-brisbane\"\u003e100 Standard Series Steel Posts Brisbane\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eQLD Council \u0026amp; Engineering Requirements\u003c\/h3\u003e\u003cp\u003eAll walls over 1.0m in Queensland require a building development approval and structural engineer's certification. 150 Series posts are typically specified in these engineered designs for taller or more demanding applications. Key references:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.qbcc.qld.gov.au\/home-licensee\/building-approvals\" target=\"_blank\" rel=\"noopener\"\u003eQBCC — Building Approvals Queensland\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.planning.qld.gov.au\/\" target=\"_blank\" rel=\"noopener\"\u003eQueensland Planning — Development Assessment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.standards.org.au\/standards-catalogue\/sa-snz\/building\/bd-001\/as--4678--2002\" target=\"_blank\" rel=\"noopener\"\u003eAS 4678-2002 — Earth Retaining Structures\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\u003ch3\u003eDelivery Across Brisbane \u0026amp; Queensland\u003c\/h3\u003e\u003cp\u003eWe deliver 150 Series steel posts direct to your site across Brisbane metro, the Gold Coast, Sunshine Coast, Ipswich, Logan, Moreton Bay, and regional QLD. Bulk and trade pricing available — \u003ca href=\"\/pages\/partner-with-us-trade-accounts-for-landscapers-builders\"\u003eopen a trade account\u003c\/a\u003e for priority pricing and faster dispatch.\u003c\/p\u003e\u003ch3\u003eRelated Products\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/retaining-wall-steel-posts-brisbane\"\u003eRetaining Wall Steel Posts — Brisbane QLD\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/100-standard-series-steel-posts-brisbane\"\u003e100 Standard Series — Brisbane \u0026amp; QLD\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/c-channel-steel-brisbane\"\u003eC-Channel Steel Posts — Brisbane \u0026amp; QLD\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/h-beam-steel-brisbane\"\u003eH-Beam Steel Posts — Brisbane \u0026amp; QLD\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/50mpa-concrete-sleepers-brisbane\"\u003e50MPa Concrete Sleepers — Brisbane \u0026amp; QLD\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\/h-beam-vs-c-channel-steel-posts-which-do-you-need\"\u003eH-Beam vs C-Channel Steel Posts — Which Do You Need?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/how-to-choose-the-right-steel-post-for-your-retaining-wall\"\u003eHow to Choose the Right Steel Post for Your Retaining Wall\u003c\/a\u003e\u003c\/li\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\u003c\/ul\u003e","products":[],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/5595\/3688\/collections\/150-heavy-duty-series-steel-posts-brisbane-queensland.png?v=1779252827","url":"https:\/\/www.retainingwallsdirect.com.au\/collections\/150-heavy-duty-series-brisbane.oembed","provider":"Retaining Walls Direct","version":"1.0","type":"link"}