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Alignment & Steel Post Positioning

Installation Guides

Alignment & Steel Post Positioning

Place a star picket at both ends of each retaining wall section to ensure you maintain a straight line when you attach a string line between both star pickets at the top and bottom. You will need to do this multiple times if your wall is not a straight wall like in diagram 2.

Once you have determined the length of sleepers you are using for the retaining wall (including any cut size sleepers to suit your wall lengths), you will mark the centre posts in the ground at the lengths recommended below:

Sleeper Length (mm) #
Distance from Centre Post to Centre Post #
– No Fence (mm)
Distance from Centre Post to Centre Post #
– With Fence (mm)
1480mm1500mm1510mm
1980mm2000mm2010mm
2380mm2400mm2410mm
Custom Length20mm longer than sleeper length30mm longer than sleeper length

Ensure that all parts of the retaining wall are within your property boundary, including the entire pier holes.

Updated on May 12, 2025
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