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

Side-by-side comparison of 100, 150, and 200 series steel retaining wall posts

100 vs 150 vs 200 Series Steel Posts: Which Do You Need?

Comparing 100, 150 and 200 Series steel posts? See which one matches your sleeper thickness, wall height, soil type and load, with worked examples.

  • July 30, 2026
  • 11 min read

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