Learn how to safely build a fence on top of a retaining wall, including fence brackets, wind load, post sizing, footing depth and fence material considerations. This guide also explains when an under-fence plinth may be enough instead of a full retaining wall.
How to set a retaining wall steel post in concrete — mixing, pouring, levelling and cure time before backfilling or loading the wall.
Rapid set, post mix or standard concrete — which suits your retaining wall post footings? Cure time, strength and cost compared.
What concrete do you need to set retaining wall posts? Rapid set vs standard post-hole concrete, minimum strength, and how much you'll need. AU guide.
Correct steel post spacing and embedment depth for retaining walls: standard centres, the one-third embedment rule, and how soil type and surcharge change the numbers.
H-beam (UC) and C-channel (PFC) steel posts explained side by side: strength, installation and how to choose the right profile for a DIY or engineered wall.
Understand what 150 UC steel posts are, when they are specified over lighter retaining wall posts, and how section size, sleeper compatibility, spacing, embedment, galvanising and Australian Standards affect a safe retaining wall system.
Everything you need to spec steel retaining wall posts correctly: H-beam vs C-channel, how the 100/150/200 Series compare, and how to match posts to your sleepers.
Comparing 100, 150 and 200 Series steel posts? See which one matches your sleeper thickness, wall height, soil type and load, with worked examples.
