Serving Auckland, Tauranga, Hamilton & Whangarei
Strong, long-lasting sprayed concrete retaining walls for Auckland, Tauranga, Hamilton & Whangarei — shaped to suit any site, finished to suit any setting.
Shotcrete is the right solution for retaining walls of almost any size. The concrete is sprayed at speed against a prepared and reinforced face, so it bonds tightly, follows the exact line of the ground and cures into a single dense structure — no block joints to weaken over time.
It's strong, durable and naturally low-absorption, which gives it real resistance to weather and damp ground. Unlike timber-only structures it keeps performing in wet conditions for decades, and it can be finished in a wide range of textures and colours to suit the environment around it.
A sprayed concrete wall handles the jobs that defeat block and timber — steep ground, tight access and awkward curves — without compromising on strength.
Dense, high-strength concrete with low water absorption stands up to weather, ground pressure and time without the failure points of jointed systems.
Because it's sprayed and shaped on site, shotcrete forms straight runs, tight curves and stepped profiles that block walls simply can't.
Its low-absorption surface resists moisture, so it keeps performing in wet and shaded sites where timber would rot over the same period.
Spraying needs less working room than laying units by hand, which makes it well suited to steep banks and confined back-section sites.
Walls can be left raw and structural or rendered, textured and coloured to blend into landscaping and surrounding hard surfaces.
A monolithic sprayed structure spreads load evenly and removes the mortar lines that let water and movement into a wall.
From a low garden terrace to a structural wall holding back a cut bank, sprayed concrete adapts to the job. Common work includes:
A straightforward process honed over 20+ years on the tools, from first look to final finish.
We look at the ground, the load it needs to hold and the access, then advise on the right wall for the job.
The face is trimmed, drained and fitted with steel reinforcing so the wall is structurally sound from the inside out.
Concrete is sprayed at high speed and worked to the exact profile, building up a dense, continuous structure.
The surface is finished to your chosen texture and left to cure into a hard-wearing, weather-resistant wall.
Concrete Techniques builds shotcrete retaining walls throughout Auckland, Tauranga, Hamilton and Whangarei — residential and commercial, no job too big or too small.
A sprayed concrete wall cures as one continuous structure with no mortar joints, so load is spread evenly and there are no weak seams for water or movement to exploit. With proper reinforcing and drainage it outlasts both block and timber, especially in wet ground.
Yes. Because the concrete is sprayed and shaped on site rather than built from fixed units, it can form tight curves, stepped runs and irregular profiles that suit the natural line of your section.
Walls can be left with a structural sprayed face or finished smooth, textured or coloured to match landscaping, paths and surrounding surfaces. We'll talk through the options for your site.
We work right across the upper North Island — Auckland, Tauranga, Hamilton and Whangarei — on both residential and commercial projects. Get in touch and we'll let you know what's involved for your location.
Tell us about your site and we'll give you straight advice and a free quote on the right shotcrete solution.