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Cement & concrete

Echo Prestressed concrete slabs
02 April 2012 Admixture combats efflorescence in concrete roof tiles

The addition of Chryso®Pareflo 20 to the concrete mix for Coverland roof tiles eliminates the effects of efflorescence seen in the tile on the left.Coverland is the South African brand of the global Monier Roofing corporation and, in line with its strict policies on quality control, health, safety and environmental protection, the concrete roof tile manufacturer has decided to include the Chryso water repellent and efflorescence-reducing agent, Chryso®Pareflo 20, in its concrete mix.  Efflorescence is caused by soluble salts migrating...

02 April 2012 Updated Fundamentals of Concrete now available

The updated second edition of Fundamentals of Concrete is now available from the Cement & Concrete Institute.The updated, second edition of the Cement & Concrete Institute’s much acclaimed reference book, Fundamentals of Concrete, is now available from the institute.  The book – first published in 1998 – is intended for students of engineering, building management, quantity surveying, architecture and other practitioners who require a working knowledge of concrete. Add a comment...

02 April 2012 Exclusive supplier’ of hollow-core concrete floors

The Indigo sectional title housing development in Bryanston, Johannesburg, is just one of the Summercon projects in which Echo hollow-core concrete floor slabs have been used.Summercon, one of Gauteng’s biggest and busiest home-building companies, has appointed the Echo Group as “exclusive supplier” of hollow-core concrete floor slabs for its sectional title forward development programme. Summercon operations director Simon Buys says, “We have tried other hollow-core slabs, but in the end we found that Echo’s combination of product quality, design exp...

02 April 2012 Benefits of precast concrete technologies

Prestressed hollow-core concrete flooring slabs, manufactured by Echo Prestress, being offloaded for a medium-rise development in Cosmo City, northwest of Johannesburg.In a series of seminars organised jointly by the Concrete Manufacturers Association (CMA) and the Concrete Society towards the end of last year, world-renowned precast concrete expert, Dr Kim S Elliott, and Echo Prestress technical director, Daniel Petrov, addressed the use of modern precast concrete technologies in construction. Vice president of the Floor Slab Division of the CMA, Moniqu...

18 March 2012 Concrete block paving for township roads

The updated brochure on concrete block paving for township roads is available at no charge from the CMA.The Concrete Manufacturers Association (CMA) has updated its Township Roads paving brochure. The brochure is compiled primarily for non-technical decision makers in national and local government and sets out the benefits of using concrete block paving (CBP) for township roads.  CMA director, Hamish Laing, says that although CBP has been used extensively for township roads, the potential f...

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