Retaining Walls · Mackay
Concrete Sleeper Retaining Walls in Mackay
Concrete sleeper retaining walls combine steel posts concreted into the ground with reinforced concrete sleepers that slide between them. The result is a strong, tidy wall that will not rot or attract termites and is well suited to Mackay's climate.
They are one of the most requested retaining options for residential boundaries, garden terraces and level changes beside driveways. Landforge sets out each wall carefully so posts are plumb, sleepers are level and the finished wall sits neatly in the landscape.
How a concrete sleeper wall is built
The wall line is set out and posts holes are drilled to the depth and spacing the design requires. Galvanised steel H or C posts are concreted in, sleepers are installed between them and drainage is placed behind as the wall is backfilled with free-draining material. The top is finished to suit any fence or garden above.
Finishes and colours
Concrete sleepers are available in plain grey, charcoal and a range of textured finishes, including smooth, sandstone-look and timber-grain styles. Post caps and painted posts tidy the look further.
Walls on boundaries
Concrete sleeper walls are frequently built along boundaries with a Colorbond or timber fence above. Because the fence adds wind load and the wall may support a neighbouring property, design and approval requirements need to be checked before construction.
Materials and design options
Reinforced concrete sleepers
Plain, coloured and textured finishes.
Galvanised steel H and C posts
Sized to the wall height and design.
Gravel backfill, ag pipe and geofabric
Essential drainage behind the wall.
Practical considerations
- Higher walls or walls supporting loads may need engineering certification and approval.
- Machine access affects how quickly posts can be drilled; tight side access may need smaller equipment.
- Plan where collected water will discharge so it does not create problems elsewhere.
Local to Mackay
In Mackay's clay-heavy soils and high rainfall, the drainage and post embedment of a sleeper wall are critical. We consider soil type and water flow on every site, from new estates in Rural View to established blocks in West Mackay.
Our quotation and installation process
- 01
Enquiry
Send through your project details and photos using the quote form.
- 02
Site visit
We inspect the site, take measurements and discuss materials, levels and access.
- 03
Written quotation
You receive a clear, itemised quote including any approvals or engineering we believe are required.
- 04
Construction
We confirm a start date, build carefully, keep you informed and leave the site tidy.
Recent concrete sleeper walls projects
Common questions
Are concrete sleepers better than timber?
For durability and termite resistance, concrete sleepers generally outperform timber. Timber can suit low garden walls where a natural look is preferred. Our advice article compares both in detail.
Can concrete sleeper walls be curved?
They suit straight runs best, but walls can follow a gradual line with angled sections.
Will the posts rust?
Hot-dip galvanised posts are designed to resist corrosion. Painted or capped posts add further protection and a cleaner look.
Ready to Transform Your Property?
From a new boundary fence to a complete outdoor transformation, discuss your project with Landforge.