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Sellars Road, Bombay, Auckland - Allan Block® Ashlar Blend


Alicon Limited


Blueprint Consulting Engineers


Brian (Home owner)


Sellars Road, Bombay


Santi Alvarez

Technical Sales

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This impressive residential project is located at the heart of the Bombay Hills in South Auckland. Consisting of three amazing terraced AB Ashlar Blend retaining walls, that due to their high elevation, allows an unobstructed view of the beautiful countryside around the Taihiki, Waikato and Waiuku rivers. For this reason, the AB Ashlar Blend, our high-end retaining wall option, was the preferable way to proceed.


The involvement of Cirtex started in June 2018 when the client called our customer service team regarding three segmental retaining walls he was interested in building around his house. The client wanted to compare costs and options between the range of retaining systems we offered. At the same time, he was also looking for a qualified contractor, experienced and capable of executing the project. Blueprint Consulting Engineers, and in particular one of their structural engineers, was already in charge of the design. Our good rapport with this engineer, and his in-depth knowledge of how segmental retaining walls work, were very important to correctly specify and design the retaining structures using the right soils, wall’s spacing, and toe embedment depth, as the retaining walls were going to be laid on a sloping surface.


Alicon Limited was the contractor selected by the client to carry out the construction of the terraced retaining walls. In this case, their vast experience building Ashlar Blend retaining walls and their high level service were the key differentiating factors. As we highlight on our brochures, patterned walls require a certain level of detail and craftsmanship to construct. These are exactly the areas in which Alicon are the absolute masters. Extra time was required to complete the retaining walls as some cutting and custom fitting was needed, however, the result speaks for itself. Without a doubt one of the most beautiful retaining walls in the area.

The products used provided the following benefits to the project:

  • Functional space to the property to be used for planting and gardening
  • Created an imposing and attractive facade that added a unique beauty to the client’s home landscape
  • Protected the sloping landscape from erosion
  • Added value to the property

Products used in this Project


Allan Block®

The Allan Block stacks beautifully and creates a smooth and fluid finish for every wall, bringing a refined look of classic natural beauty to any landscape.


DuraForce® AS Geotextile

DuraForce AS series geotextiles are manufactured and tested to exact quality standards and rated according to the NZTA F/7 specification for geotextiles.



StrataGrid is a high-performance soil reinforcement geogrid. It is manufactured from polyester yarns that have a high molecular weight and excellent tensile strength.