Reinforced Concrete Cantilevered Masonry Walls

Reinforced Concrete Masonry Cantilever Retaining Walls

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General Information

Connex™ Mortarless block wall system from Boral.

The Boral Connex mortarless system comprises three modular components which key together eliminating the need for mortared joints above the first course.

Reinforced Concrete Cantilevered Masonry Wall
Reinforced Concrete Cantilevered Masonry Wall



Stretcher Unit

Reinforced Concrete Cantilevered Masonry Wall

16kg (approx)
The Connect Stretcher is the main unit. It is called a 'stretcher' as it stretches between end blocks and corner blocks.

Half Unit

Reinforced Concrete Cantilevered Masonry Wall

9kg (approx)
The Connex Half unit, used as an end block allows wall lengths to be built in multiples of 200mm. It is also used on each 2nd course at window and door opening, alternating with the Connex End and Corner units.

End and Corner Unit

Reinforced Concrete Cantilevered Masonry Wall

16kg (approx)
The Connex End and Corner unit can be used for either left or right hand corners as well as a full end block

Connex Design Guidelines

Reinforced Concrete Cantilevered Masonry Wall

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Features & Benefits

  • The system is quick and easy to install
  • Can be laid quicker than a standard block wall
  • Minimal need for mortar
  • Reduced wet waste on site
  • A DIY alternative
  • Only three components, no clips required


  • Mass gravity walls
  • Reinforced soil structures
  • Sea walls
  • Coastal protection
  • Erosion prevention
  • Wing walls
  • Stream channels
  • Bridge abutments
  • Tunnel access walls
  • Temporary highway slip stabilisation
  • Embankment stabilisation
  • Temporary bin storage

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