Kriblok is a gravity wall retaining system constructed from interlocking reinforced precast concrete units, designed for the rapid assembly of earth retention structures without mortar or special fixings. Comprising just two main components, it enables construction of straight runs, curves, and corners using standard elements.

  • Constructed from two interlocking units: header and stretcher

  • No mortar or specialised fixings required during installation

  • Accommodates concave/convex curves and internal/external corners

  • Suitable for wall heights up to 10 metres depending on site conditions

  • Allows reuse of as-dug material as fill, reducing earthworks treatment

  • Design life of up to 125 years noted in project applications

  • Installation adaptable to varying ground conditions without delays

  • Full technical support and site-specific design service provided by RPC Contracts