concrete and cement

21 May 2021

Starting a blockyard could boost housing and employment

By Staff Writer

With South Africa experiencing a critical shortage in housing and Covid-19 having boosted unemployment, the manufacture of concrete bricks and blocks could help provide affordable building materials and assist in starting small businesses, says Matthews Magwaza, lecturer at Cement & Concrete SA’s School of Concrete Technology. Among the School’s online courses this year is SCT13...

07 Feb 2020

Concrete Knowledge adds Professional Advantage

By Staff Writer

Concrete is the most used building material and, by mass, represents about half all man-made creations.  So, engineers and technicians in the construction industry could gain a huge advantage over their peers and competitors by having a substantial practical and theoretical knowledge of concrete, says John Roxburgh, senior lecturer at The Concrete Institute’s School of...

02 May 2019

Scarcity of quality sand a growing concern to South African Concrete Manufacturers

By Staff Writer

The quality of sand significantly affects the performance of concrete and with the worldwide scarcity of clean washed filler sand from traditional sources, like river beds, is a growing concern to South African Concrete manufacturers. Natural sand production is a slow process so it’s not surprising that sand is often harvested at a faster pace...