Corten Retaining wall post setouts, timber and steel post options

Retaining wall set out guidelines

Based on retaining  flat ground with no surcharges

Pile hole depths and diameters, assume good bearing soils. in excess of 200KPA

No liability is accepted where a typical section is used as a the basis for the final design. The suggested details provided are guidelines only for budget purposes.

All retaining walls require proper drainage behind them.

  • Height of wall
  • 600mm
  • 750mm
  • 900mm
  • 1050mm
  • 1200mm
  • 1350mm
  • 1500mm
  • max post spacing
  • 1500mm
  • 1500mm
  • 1200mm
  • 1200mm
  • 1200mm
  • 900mm
  • 900mm
  • min timber post
  • 100 x 100mm
  • 100 x 100mm
  • 100 x 100mm
  • 125 x 125mm
  • 125 x 125mm
  • 150 x 150mm
  • 150 x 150mm
  • corten post
  • 160 x 53 angle
  • 160 x 53 angle
  • 160 x 53 angle
  • 160 x 96 angle
  • 160 x 96 angle
  • 160 x 120 x 50 Chan
  • 160 x 120 x 50 Chan
  • min pile depth
  • 700mm
  • 850mm
  • 1000mm
  • 1150mm
  • 1300mm
  • 1450mm
  • 1600mm
  • concrete pile
  • 300mm dia
  • 300mm dia
  • 350mm dia
  • 350mm dia
  • 400mm dia
  • 400mm dia
  • 400mm dia
  • max panel height
  • 600mm
  • 375mm
  • 450mm
  • 450mm
  • 450mm
  • 450mm
  • 375mm
corten retaining wall posts and drainage

Retaining wall post guidelines

Timber posts comply with NZS 3605:2001 “Timber poles and piles for use in building, treated to NZS 3602:2003 “timer and wood-based products for use in buildings” Specification H5

Concrete for foundation backfill shall be ordinary grade concrete complying with NZS 3109:1997 ” concrete construction” and with a 28 day strength of 17.5MPA

corten retaining wall-panels

Retaining prices

Corten steel makes long lasting garden retaining walls and planters

corten panels screwed to post

Click for Retaining Wall Set Outs

Corten retaining walls need good drainage behind them

Modern garden using corten steel retaining walls

corten capping on retaining wall

The wall drainage must be inspected and maintained (rodded/jetted) annually and after particularly heavy rainfall events. This is essential to prevent the pore water pressures increasing behind any retaining wall.

Modern garden using corten steel retaining walls

Modern garden using corten steel retaining walls

corten steel garden wall retaining plants

Modern garden using corten steel retaining walls

corten garden planter acting as a retaining wall

Modern garden using corten steel retaining walls

corten terraced retaining wall, and steps

Modern garden using corten steel retaining walls