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Established in 1993, Bosun is a privately owned company with branches in Gauteng, North West and the Eastern Cape. We manufacture and supply paving bricks, kerbs, and retaining wall blocks. Apart from being installed at thousands of homes, Bosun’s paving, kerbs and retaining wall blocks can be seen at various landmarks and important commercial and industrial developments throughout South Africa.


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Proud Members of the ICPI and NCMA

Bosun and our sister company, SmartStone, are the only South African manufacturers belonging to the Interlocking Concrete Paving Institute. This American-based association is the authority for segmental concrete pavement systems, which are universally recognised as the best value for pavements. Its mission is to deliver education and technical guidance leading to awareness, acceptance and use of segmental concrete pavement systems in North America and now South Africa.

Bosun is also a proud member of the American National Concrete Masonry Association. This is the leading authority in the design and construction of Concrete Retaining Wall blocks. We endeavour to make their technical information and training available to the retaining wall industry in South Africa.

We guarantee that Bosun products comply with the relevant South African National Standards. The products are officially certified as compliant with SANS 1058, SANS 927 and SANS 508 by the Concrete Manufacturers Association Certification Service (CMACS).

Until recently, the South African Bureau of Standards (SABS) used to be the only independent mark scheme recognised to certify compliance with the South African National Standards for precast concrete products. After the CMACS was established, Bosun chose to withdraw its subscription to the SABS and exclusively use the CMACS for compliance auditing and testing, as it offers more industry-related expertise. The important aspect, however, is not which mark certifies compliance with the relevant South African National Standard, but rather which one certifies compliance with the standard.