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Our Premium Sealed range of concrete sleepers adds a gloss-sealed, decorative face to a high-strength retaining wall sleeper — for projects where the wall is part of the finished landscape. Each sleeper is Australian-made from steel-reinforced concrete, rated 40+ MPa with 2 Reo bars, in a standard 200mm high × 75mm thick profile. The sealed finish looks more polished than plain concrete and is easier to keep clean.
| Length (post centres) | Approx. weight | Typical use |
|---|---|---|
| 1600mm | 57kg | Shorter bays, tight access, corners and step-downs. |
| 2000mm | 72kg | Standard residential and garden retaining walls. |
| 2400mm | 83kg | Longer straight runs where wider post centres suit. |
Lengths are post-centre spacing, not the exact sleeper length. Each course is 200mm high, so plan wall height in 200mm increments — a 1.0m wall is about 5 courses (5 sleepers per metre of height, per bay). Use the WallWise Pro calculator for an exact take-off.
Pair these sleepers with galvanised H, C and corner posts — C-channel for low walls in stable ground, H-beam for taller walls, corners, clay soils or surcharge loads. Finish with caps, fence brackets & hardware, and add drainage: ag pipe, geo matting and free-draining gravel, or a complete drainage kit. Buying the whole wall? See our retaining wall kits.
Water behind a wall is the number-one cause of failure — always plan drainage with free-draining aggregate, geotextile fabric and slotted ag pipe to a legal outlet. See our drainage guide and installation guide. Built to the principles of AS 4678 Earth-retaining structures. Council approval and engineering depend on wall height, soil, drainage, boundary position and surcharge loads — always check with your local council or a qualified engineer before starting.
Genuine engineer-certified, Australian-made product, real specifications, and honest freight quoting. Sleepers are heavy and palletised; we deliver across most of Australia. Send your postcode and quantities for a freight quote, or contact the team before you order.
What's the difference between sealed and unsealed sleepers?
The sealed gloss surface gives a more polished, easier-to-clean finish and richer colour — ideal where the wall is a visible part of the landscape.
What finishes are available?
Mocha, Smokey and Country timber-look, plus Storm Grey sandstone block — in 1600, 2000 and 2400mm.
How much does a sleeper weigh?
About 57kg (1600mm), 72kg (2000mm) and 83kg (2400mm) — plan for a two-person or mechanical lift.
Which posts do I need?
Galvanised C-channel for low walls, H-beam for taller walls, corners or clay soils. See the steel post range.
How many sleepers will I need?
Five sleepers per metre of wall height, per bay. The WallWise Pro calculator gives an exact figure.
Do I need council approval?
It depends on wall height, location and your council — low garden walls are often exempt; taller, boundary or driveway walls usually are not. Always confirm locally.
Can you deliver to me?
We deliver across most of Australia. Send your postcode and quantities for a freight estimate.
