Lonsdale is the lowest-priced concrete sleeper in our Canberra range: a plain, smooth grey 60MPa sleeper from $39.18, made for walls where budget and structure matter more than a decorative face. It also has the widest size selection of any ACT sleeper we stock, including short 1500mm lengths for tight runs and steps.
| Size (L x H x T, mm) |
|---|
| 1500 x 200 x 75 |
| 1500 x 200 x 100 |
| 2000 x 200 x 75 |
| 2000 x 200 x 100 |
| 2000 x 200 x 120 |
| 2350 x 200 x 80 |
| 2350 x 200 x 100 |
| 2400 x 200 x 80 |
| 2400 x 200 x 100 |
| 2400 x 200 x 130 |
The 20-year manufacturer warranty applies on selected sizes, and the range is engineer certified, which matters in the ACT where certified design documentation is commonly requested for wall approvals. Grey smooth concrete also takes paint or render if you want a finished face later. If you want the same structural sleeper with a decorative face, compare Kensington stackstone sleepers or the Blackwood smooth charcoal.
Why choose concrete over treated pine in Canberra?
Canberra’s frost cycles and reactive clay soils move and rot timber walls early. A 60MPa steel-reinforced sleeper does not rot, warp or attract termites, and the certified system carries a far longer design life.
How quickly can Lonsdale sleepers be delivered to the ACT?
Stock ships from our partner yard at Wetherill Park NSW with freight into Canberra. Lead time depends on the freight run, so we confirm dates at quote stage rather than guessing.
Which steel posts do these need?
75 and 80mm sleepers pair with 100 series posts; 100mm and thicker pair with 150 series such as the 150 UC 23 H beam.
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