Lonsdale standard concrete sleepers are our best-value smooth grey range, made by Outback Sleepers Australia and engineer-certified for retaining walls. The range runs from 1.8 m up to full 3 m concrete sleepers, in 75 to 130 mm thicknesses, so one profile covers garden edging through to engineered walls.
Lonsdale sleeper sizes and pricing
Select a size above for the current price per sleeper. Popular picks: 2000 x 200 x 75 for standard walls on 2 m post centres, 2400 x 200 x 80 for wider spans, and 3000 x 200 x 100 where you want fewer posts across a long wall. Retaining wall sleeper prices scale with length and thickness; bulk and trade pricing is quoted on request.
Why choose Lonsdale
Lonsdale is the workhorse of the Outback Sleepers catalogue: steel-reinforced, consistent sizing for steel post channels, and a smooth grey face that can be left raw, painted or rendered. It suits 100 series posts at 75 to 80 mm thickness and 150 Heavy Duty posts at 100 mm and above.
Frequently asked questions
Do you have an Outback Sleepers price list? The sizes above are our current Lonsdale prices. For a full project quote including posts and freight, send your wall height and length and we will price the complete wall the same day.
Are 3 m concrete sleepers hard to handle? A 3000 x 200 x 100 sleeper weighs roughly 140 kg, so plan machine handling. The payoff is a third fewer posts and holes along the wall.
What colour are they? Plain concrete grey. For dark tones see our charcoal range.
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