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Cement & concrete

25 April 2017 Five major benefits of concrete

The sky is the limit for designers when creating structures with concrete. Pictured: an innovative concrete roof in Tenerife, Canary Islands.There are at least five major benefits in designing and building with concrete: versatility, attractive appearance, cost-effectiveness, structural integrity, and sustainability, says Bryan Perrie, MD of The Concrete Institute (TCI)....

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29 November 2016 Variety of factors can cause plaster cracks

Map cracking of a plastered surface caused by poor sand in the plaster mix. How can a property owner be sure that the plaster provided by the smaller or relatively inexperienced building contractor is acceptable, and if not, what can be done about it? It’s not a simple question to answer, says John Roxburgh, lecturer at The Concrete Institute’s School of Concrete Technology....

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07 November 2016 Authority awards first Mark of Approval

The CMA CS Mark of Approval is the first non-SABS mark to be used in the concrete industryGarth McMillan, divisional general manager of Bosun Bricks, receives the CMA CS Mark of Approval from executive director, Frans Minnaar The Concrete Manufacturers Association Certification Services (CMA CS) has undertaken its first complete initial assessments and certified a number of products on behalf of its maiden client, Bosun Bricks....

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28 September 2016 Launch of Chryso's Equalis 250 hailed as exciting move for contractors

CHRYSO® Equalis 250 allows concrete workability to be extended by up to 4 hours without impairing early strengthsDeveloped by CHRYSO’s Research Centre, CHRYSO® Equalis 250 is based on new patented polymer technologies. The development is in line with this leading cement additives and concrete admixtures producer’s drive towards green technology and the need to produce more extended concretes, enabling contractors to achieve a lower carbon footprint....

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28 September 2016 Modern concrete roads offer environmental benefits, says The Concrete Institute

Concrete roads can reduce fuel consumption by heavy trucks, The Concrete Institute statesModern concrete roads are a far cry from the concrete pavements of old which are still in existence today but were designed long ago to very different design criteria to those employed today, says Bryan Perrie managing director of The Concrete Institute....

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18 July 2016 How to prevent craze cracking on concrete floors

Unsightly craze cracking of concrete surfaces can be prevented, says Bryan Perrie, MD of The Concrete Institute.Craze cracking of concrete floors is caused by the shrinkage of the cement paste on the surface, and is particularly noticeable when the concrete slabs are damp. But there are certain steps to take to prevent floors displaying this unsightly appearance, says Bryan Perrie, MD of The Concrete Institute....

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