AS 4678 Certified | Trade Accounts Welcome | 40+ Years Experience

AS 4678 Certified | Trade Accounts Welcome | 40+ Years Experience

Dy-Mark Spot Marking Paint 350g
Geo Matting | Geotextile Fabric for Retaining Wall Drainage
Ag Pipe 100mm x 20m | Slotted & Socked Drain Coil
Galvanised Steel Post Caps
Galvanised Steel Fence Bracket Kit
Builders Line Nylon Pink 100m

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Retaining Wall Advice

Explore standard under-fence plinth sizes, dimensions, thicknesses, and soil retention limits. Learn how to measure your fence line, whether plinths can be stacked, and when the required height means you should build a proper retaining wall instead.

Under-fence plinth or full retaining wall? A simple height-based decision framework, plus what happens if you get the size wrong, so you get the right solution first time.

What is an under-fence plinth and when is one enough versus needing a full retaining wall? Sizes, fence compatibility, and how they protect timber and Colorbond fences.

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.

Get the timber look without the rot, termites or re-staining. This guide covers what woodgrain concrete sleepers are, sizes, strengths, posts, and how the cost compares to real timber.

Timber costs less upfront, concrete lasts longer and needs no upkeep — here's the real trade-off between the two most popular sleeper materials.

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.
Choosing the wrong concrete sleeper strength is one of the most common retaining wall mistakes in Australia. This guide explains exactly when to specify 40MPa, 50MPa, or 60MPa sleepers based on wall height, soil type, and site conditions.

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