Retaining Wall Advice

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.

Concrete sleepers and steel posts work as one system, not two separate purchases. Here's how to match them correctly and why ordering as a kit beats mixing suppliers.

Wood-look concrete sleepers give you a realistic timber grain finish with none of the maintenance. See how the texture is made, colour options, and where it suits best.

Posts first, then sleepers, then drainage, then backfill — the order that makes or breaks a DIY timber sleeper retaining wall, step by step.

Everything you need to plan a timber sleeper retaining wall — treated pine sizing, steel post spacing, drainage and Australian height limits, in one guide.

Choosing between H-beam and C-channel steel posts is one of the most important decisions in any retaining wall build. C-channel suits walls up to 1.0m in standard conditions. H-beam is required for taller walls, heavy surcharge loads, or wider post spacing. This guide explains exactly when to use each, with worked examples and Australian Standards references.

How deep should retaining wall posts be set in Australia? The standard rule is one-third of total post length in the ground — so a 1.5m post needs 500mm embedment for a 1.0m wall. This guide covers embedment depth by wall height, soil type adjustments, surcharge load rules, and worked examples for H-beam and C-channel posts.

Getting your steel posts right is the most critical step in building a concrete sleeper retaining wall. This step-by-step guide covers post spacing, embedment depth, concrete mix, alignment, and common installation mistakes to avoid.

Building a retaining wall on a property boundary involves setback rules, council approvals, neighbour obligations, and drainage requirements. This guide covers everything you need to know to build a compliant, durable boundary wall in Australia.

Everything Sydney homeowners and builders need to know about retaining walls — soil conditions by suburb, post selection, council approval, costs, and materials.