Guides

Concrete sleeper retaining wall site preparation diagram showing drainage clearance behind the wall
Site Preparation
Step 1 of 7. How to clear and level your site before installing a retaining wall, including drainage clearance and setbacks from structures. Read more...
Galvanised steel H post used when setting out and positioning retaining wall posts
Alignment & Steel Post Positioning
Step 2 of 7. Set out straight wall lines with string lines and star pickets, and mark post centres using the recommended spacing for each sleeper length. Read more...
Galvanised steel posts ready for installation in augered pier holes
Installing Steel Posts
Step 3 of 7. Auger pier holes, set posts with the correct lean-back, and pour concrete the right way, plus tips for corners and stepped walls. Read more...
Concrete sleepers stacked between galvanised steel posts in a finished retaining wall
Installing Concrete Sleepers
Step 4 of 7. Level and wedge each sleeper for a flush, straight wall, and protect any cut ends against rust. Read more...
Fence post brackets bolted to the top of galvanised steel retaining wall posts
Attaching A Fence On Top Of The Retaining Wall
Step 5 of 7. When and how to fit fence post brackets to your steel posts before the top sleepers go in. Read more...
Socked agi pipe drainage coil used behind a concrete sleeper retaining wall
Drainage Management
Step 6 of 7. Aggregate, geo fabric and agi pipe: how to build proper drainage behind your retaining wall and where to send the water. Read more...
Completed concrete sleeper retaining wall built with heavy duty galvanised steel posts
Installation Cross Section Diagram
Step 7 of 7. Sample cross-section of a concrete sleeper retaining wall, with engineering and construction load notes. Read more...