{"title":"Composite Posts","description":"\u003cp\u003eComposite posts are a lightweight alternative to steel for retaining walls up to 1m high. At around 90% lighter than traditional materials, they are considerably easier to handle and position on site, which matters most on jobs with no machine access: side passages, courtyards, terraced blocks and anywhere the material has to be carried in by hand.\u003c\/p\u003e\u003ch3\u003eThe range\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eC composite posts\u003c\/strong\u003e in 0.4m, 0.8m, 1.2m, 1.6m and 2.0m. Channel on one side, so these go at each end of a run and anywhere the wall stops against a structure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eH composite posts\u003c\/strong\u003e in 0.8m, 1.2m, 1.6m and 2.0m. Channel on both sides, so these take the spans in between.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSizing them\u003c\/h3\u003e\u003cp\u003eSame rule as steel: the pier depth matches the wall height, so the post is about twice the finished wall height. A 0.8m post suits a 0.4m wall, a 1.6m post suits a 0.8m wall, and the 2.0m post is the top of the range at a 1m wall. Post spacing follows the sleeper, not the post, so pick your \u003ca href=\"\/collections\/composite-sleepers\"\u003ecomposite sleeper\u003c\/a\u003e length first and the centres follow from it.\u003c\/p\u003e\u003ch3\u003eWhere the line sits\u003c\/h3\u003e\u003cp\u003eComposite posts are rated for walls up to 1m. Above that you are generally into engineered territory and \u003ca href=\"\/collections\/steel-posts\"\u003egalvanised steel posts\u003c\/a\u003e, and in most of South East Queensland a metre is also where council approval commonly comes into it. That is not a coincidence, and it is not a limit we would encourage anyone to push. If your wall is close to the line, measure the total retained height rather than the visible face, because that is the number that counts.\u003c\/p\u003e\u003cp\u003eA fence on top is a separate question again. It adds load, including wind load, and that belongs in the wall design rather than being bolted on afterwards. See the \u003ca href=\"\/pages\/wall-height-guide\"\u003ewall height guide\u003c\/a\u003e for where materials sit by height band, and the \u003ca href=\"\/pages\/how-to-choose-retaining-wall-posts\"\u003eguide to choosing posts\u003c\/a\u003e for C versus H at each position.\u003c\/p\u003e\u003cp\u003eFinish the tops with \u003ca href=\"\/collections\/post-caps\"\u003epost caps\u003c\/a\u003e, and pack each course out with \u003ca href=\"\/collections\/wedges\"\u003ecomposite sleeper wedges\u003c\/a\u003e so the face sits flush.\u003c\/p\u003e","products":[{"product_id":"c-composite-posts","title":"\"C\" Composite Posts","description":"\u003cp\u003eHYBUILT's C composite posts are the end posts in a lightweight retaining wall. The single sided channel lets the wall finish neatly at each end, at a step, or hard against a structure, where an H post would leave an open slot. At around 90% lighter than steel they are easy to carry and place by hand, which makes them the pick for tight blocks and jobs with no machine access.\u003c\/p\u003e\n\u003cp\u003eRated for walls up to 1 metre high. Above that you are generally into engineered territory and \u003ca href=\"\/collections\/steel-posts\"\u003egalvanised steel posts\u003c\/a\u003e. C posts at the ends, \u003ca href=\"\/products\/h-composite-posts\"\u003eH composite posts\u003c\/a\u003e through the middle, matched to our \u003ca href=\"\/collections\/composite-sleepers\"\u003ecomposite sleepers\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile\u003c\/td\u003e\n\u003ctd\u003eC channel, 100mm x 50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuits\u003c\/td\u003e\n\u003ctd\u003eComposite sleepers, 60mm thick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated for\u003c\/td\u003e\n\u003ctd\u003eWalls up to 1.0m high\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass\u003c\/td\u003e\n\u003ctd\u003e2.2kg per lineal metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e$20.00 per lineal metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold\u003c\/td\u003e\n\u003ctd\u003eIndividually, per post\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eLengths and weights\u003c\/h3\u003e\n\u003cp\u003eFive lengths, including a 0.4m for low garden edging and the bottom of a stepped wall.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eWeight each\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.4m\u003c\/td\u003e\n\u003ctd\u003e0.9kg\u003c\/td\u003e\n\u003ctd\u003e$8.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.8m\u003c\/td\u003e\n\u003ctd\u003e1.8kg\u003c\/td\u003e\n\u003ctd\u003e$16.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.2m\u003c\/td\u003e\n\u003ctd\u003e2.6kg\u003c\/td\u003e\n\u003ctd\u003e$24.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.6m\u003c\/td\u003e\n\u003ctd\u003e3.5kg\u003c\/td\u003e\n\u003ctd\u003e$32.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.0m\u003c\/td\u003e\n\u003ctd\u003e4.4kg\u003c\/td\u003e\n\u003ctd\u003e$40.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor comparison, the equivalent 2.0m galvanised steel C post weighs 18kg. The composite is 4.4kg, so a full wall's worth fits in a ute rather than needing a truck.\u003c\/p\u003e\n\u003ch3\u003eWorking out the length you need\u003c\/h3\u003e\n\u003cp\u003eAs a rule of thumb the post is twice the wall height, because the recommended pier depth matches the height of the wall. A 1.0m wall, the maximum for this range, therefore takes a 2.0m post. Use the \u003ca href=\"\/pages\/retaining-wall-calculator\"\u003ewall calculator\u003c\/a\u003e to size and count them, and see the \u003ca href=\"\/pages\/wall-height-guide\"\u003ewall height guide\u003c\/a\u003e for where composite stops and steel starts.\u003c\/p\u003e\n\u003cp\u003eWalls over about 1 metre high commonly need council approval and an engineered design, and approval can also be triggered by loads behind the wall, a slope above it, or the wall sitting close to a building, a boundary or another wall. Thresholds vary by council across South East Queensland and Northern NSW, so confirm what applies to your site with your local council or a building certifier before you order.\u003c\/p\u003e\n\u003ch3\u003eFinishing the wall\u003c\/h3\u003e\n\u003cp\u003eRun \u003ca href=\"\/products\/composite-capping\"\u003ecomposite capping\u003c\/a\u003e along the top sleeper for a clean square edge, and use the \u003ca href=\"\/products\/composite-support\"\u003ecomposite support\u003c\/a\u003e as a footing for your bottom sleeper to keep it stable during install. \u003ca href=\"\/products\/composite-sleeper-non-perishable-wedges\"\u003eComposite wedges\u003c\/a\u003e pack out the gap between sleeper and post so every course sits level.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eInstallation\u003c\/summary\u003e\u003cp\u003eHYBUILT have partnered with only the most experienced installers across South East Queensland and Northern NSW, offering a complete design \u0026amp; construct solution through competitive pricing and innovation. Enquire with our team to book your next project.\u003c\/p\u003e\n\u003cp\u003eComposite posts still need a properly dug and concreted pier. The saving is in handling, not in footing depth, so set them out from your design the same way you would a steel post.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDelivery Notes\u003c\/summary\u003e\u003cp\u003eDepending on the order size HYBUILT can usually deliver your materials within 2-3 business days after order confirmation. To efficiently carry out these duties HYBUILT operates an entire fleet of crane trucks in a variety of sizes to suit both load size and\/or potential access constraints. Please note that there is delivery charges involved and this will depend on load size, distance and potential access constraints. We deliver to Brisbane, Gold Coast, Ipswich, Sunshine Coast, Toowoomba and Northern NSW\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003eQuestions about your project? See our \u003ca href=\"\/blogs\/guides\"\u003einstallation guides\u003c\/a\u003e, \u003ca href=\"\/pages\/request-quote\"\u003erequest a quote\u003c\/a\u003e, or call \u003ca href=\"tel:0737160191\"\u003e(07) 3716 0191\u003c\/a\u003e.\u003c\/p\u003e","brand":"HYBUILT","offers":[{"title":"0.8m","offer_id":53937767678063,"sku":"XP-C-0800","price":16.0,"currency_code":"AUD","in_stock":true},{"title":"1.2m","offer_id":53937767710831,"sku":"XP-C-1200","price":24.0,"currency_code":"AUD","in_stock":true},{"title":"1.6m","offer_id":53937767743599,"sku":"XP-C-1600","price":32.0,"currency_code":"AUD","in_stock":true},{"title":"2.0m","offer_id":53937767776367,"sku":"XP-C-2000","price":40.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/7295\/5759\/files\/Composite-C-Post-1.png?v=1785839423"},{"product_id":"h-composite-posts","title":"\"H\" Composite Posts","description":"\u003cp\u003eHYBUILT's H composite posts are the intermediate posts in a lightweight retaining wall. Sleepers span between them and the posts carry that load into the pier, the same as a steel wall, but at around a tenth of the weight. That is the whole point of the composite range: one person can carry and place them, so they suit tight blocks, backyard access and any job where a crane truck cannot get near the wall line.\u003c\/p\u003e\n\u003cp\u003eRated for walls up to 1 metre high. Above that you are generally into engineered territory and \u003ca href=\"\/collections\/steel-posts\"\u003egalvanised steel posts\u003c\/a\u003e. Use \u003ca href=\"\/products\/c-composite-posts\"\u003eC composite posts\u003c\/a\u003e at the ends and H posts through the middle, matched to our \u003ca href=\"\/collections\/composite-sleepers\"\u003ecomposite sleepers\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile\u003c\/td\u003e\n\u003ctd\u003eH post, 100mm x 100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuits\u003c\/td\u003e\n\u003ctd\u003eComposite sleepers, 60mm thick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated for\u003c\/td\u003e\n\u003ctd\u003eWalls up to 1.0m high\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass\u003c\/td\u003e\n\u003ctd\u003e3.5kg per lineal metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e$34.00 per lineal metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold\u003c\/td\u003e\n\u003ctd\u003eIndividually, per post\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eLengths and weights\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eWeight each\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.8m\u003c\/td\u003e\n\u003ctd\u003e2.8kg\u003c\/td\u003e\n\u003ctd\u003e$27.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.2m\u003c\/td\u003e\n\u003ctd\u003e4.2kg\u003c\/td\u003e\n\u003ctd\u003e$40.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.6m\u003c\/td\u003e\n\u003ctd\u003e5.6kg\u003c\/td\u003e\n\u003ctd\u003e$54.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.0m\u003c\/td\u003e\n\u003ctd\u003e7kg\u003c\/td\u003e\n\u003ctd\u003e$68.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor comparison, the equivalent 2.0m galvanised steel H post weighs 29.6kg. The composite is 7kg. On a wall with twenty posts that is the difference between a machine and a wheelbarrow.\u003c\/p\u003e\n\u003ch3\u003eWorking out the length you need\u003c\/h3\u003e\n\u003cp\u003eAs a rule of thumb the post is twice the wall height, because the recommended pier depth matches the height of the wall. A 1.0m wall, the maximum for this range, therefore takes a 2.0m post. Use the \u003ca href=\"\/pages\/retaining-wall-calculator\"\u003ewall calculator\u003c\/a\u003e to size and count them, and see the \u003ca href=\"\/pages\/wall-height-guide\"\u003ewall height guide\u003c\/a\u003e for where composite stops and steel starts.\u003c\/p\u003e\n\u003cp\u003eWalls over about 1 metre high commonly need council approval and an engineered design, and approval can also be triggered by loads behind the wall, a slope above it, or the wall sitting close to a building, a boundary or another wall. Thresholds vary by council across South East Queensland and Northern NSW, so confirm what applies to your site with your local council or a building certifier before you order.\u003c\/p\u003e\n\u003ch3\u003eFinishing the wall\u003c\/h3\u003e\n\u003cp\u003eRun \u003ca href=\"\/products\/composite-capping\"\u003ecomposite capping\u003c\/a\u003e along the top sleeper for a clean square edge, and use the \u003ca href=\"\/products\/composite-support\"\u003ecomposite support\u003c\/a\u003e as a footing for your bottom sleeper to keep it stable during install. \u003ca href=\"\/products\/composite-sleeper-non-perishable-wedges\"\u003eComposite wedges\u003c\/a\u003e pack out the gap between sleeper and post so every course sits level.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eInstallation\u003c\/summary\u003e\u003cp\u003eHYBUILT have partnered with only the most experienced installers across South East Queensland and Northern NSW, offering a complete design \u0026amp; construct solution through competitive pricing and innovation. Enquire with our team to book your next project.\u003c\/p\u003e\n\u003cp\u003eComposite posts still need a properly dug and concreted pier. The saving is in handling, not in footing depth, so set them out from your design the same way you would a steel post.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDelivery Notes\u003c\/summary\u003e\u003cp\u003eDepending on the order size HYBUILT can usually deliver your materials within 2-3 business days after order confirmation. To efficiently carry out these duties HYBUILT operates an entire fleet of crane trucks in a variety of sizes to suit both load size and\/or potential access constraints. Please note that there is delivery charges involved and this will depend on load size, distance and potential access constraints. We deliver to Brisbane, Gold Coast, Ipswich, Sunshine Coast, Toowoomba and Northern NSW\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003eQuestions about your project? See our \u003ca href=\"\/blogs\/guides\"\u003einstallation guides\u003c\/a\u003e, \u003ca href=\"\/pages\/request-quote\"\u003erequest a quote\u003c\/a\u003e, or call \u003ca href=\"tel:0737160191\"\u003e(07) 3716 0191\u003c\/a\u003e.\u003c\/p\u003e","brand":"HYBUILT","offers":[{"title":"0.8m","offer_id":53937768235119,"sku":"XP-H-0800","price":27.2,"currency_code":"AUD","in_stock":true},{"title":"1.2m","offer_id":53937768267887,"sku":"XP-H-1200","price":40.8,"currency_code":"AUD","in_stock":true},{"title":"1.6m","offer_id":53937768300655,"sku":"XP-H-1600","price":54.4,"currency_code":"AUD","in_stock":true},{"title":"2.0m","offer_id":53937768333423,"sku":"XP-H-2000","price":68.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/7295\/5759\/files\/Composite-H-Post.png?v=1785839428"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/7295\/5759\/collections\/Composite-H-Post.png?v=1785839186","url":"https:\/\/hybuilt.com.au\/collections\/composite-posts.oembed","provider":"HYBUILT","version":"1.0","type":"link"}