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
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Galvanised Steel Fence Bracket Kit
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Builders Line Nylon Pink 100m

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Retaining Wall Advice

Weep Hole Spacing & Placement in a Retaining Wall

How far apart should weep holes be in a retaining wall? Spacing, placement height, and row spacing for taller walls - matched to RWD's own published guidance.

  • August 20, 2026
  • 4 min read

What Are Weep Holes in a Retaining Wall? Do You Need Them?

What are weep holes in a retaining wall? How they work, AS 4678 guidance, and why they're secondary drainage, not a replacement for ag pipe.

  • August 20, 2026
  • 5 min read

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