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

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

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Dy-Mark Spot Marking Paint 350g
Geo matting geotextile fabric roll for retaining wall drainage
Geo Matting | Geotextile Fabric for Retaining Wall Drainage
Ag pipe 100mm x 20m slotted drain coil for retaining wall drainage
Ag Pipe 100mm x 20m | Slotted & Socked Drain Coil
Galvanised steel post caps for H-beam and C-channel retaining wall posts
Galvanised Steel Post Caps
Galvanised steel fence bracket kit with hex bolts and nuts for retaining wall posts
Galvanised Steel Fence Bracket Kit
Builders line nylon pink 100m stringline reel
Builders Line Nylon Pink 100m

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Retaining Wall Advice

End view of a 150 UC steel post showing the H-beam profile

150 UC Steel Posts: Specification & Buying Guide

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.

  • July 30, 2026
  • 10 min read

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