Durable it will last at least 4 times longer than a timber wall.
How to build retaining wall with concrete sleepers.
Dig down to firm ground.
Dig around 600mm deep and 450mm.
In fact this system is a great option for diy.
Fill the hole in with concrete.
Maintain the 25mm step back and ensure all sleepers are firmly fixed to the ones below.
Install a drain behind the wall.
How to build a retaining sleeper wall 1.
Lay the first course of sleepers levelling them with sub base and leaving gaps for drainage.
How to build a concrete sleeper retaining wall laying out.
Maintenance free concrete sleepers will not rot burn warp split or flake and is resistant to termites white ants.
Dig a shallow trench about a third of the height of the sleeper put a layer of shingle or waterproof membrane down.
Using sleepers as your posts costs about a third of the price of h beams.
Other systems you can use include timber sleepers which are also very light and easy to install but are also prone to rotting fading and white ant damage.
Plan out your wall.
For example if your wall is going to be 800mm high the holes for your posts should be 500mm deep.
Prepare a 50mm deep footing for your wall using a sand and cement mortar mix.
Excavate the area with the help of a mini loader with a 300mm auger.
The benefits of using a durawall concrete sleeper retaining wall are numerous.
Continue building to the top.
Lay the first course of sleepers and fix by inserting metal rods through pre drilled holes into the footings as shown above.
Once the concrete is set you can fix the backs of the sleepers together to strengthen it using.
Lay the second course on top of the first setting it back 25mm from the front.
Sleeper retaining wall posts come in two varieties steel galvanised h beams or a vertical sleepers.