Cement & concrete

keyboard_arrow_upBelow the surface of concrete floor renovations
keyboard_arrow_downBelow the surface of concrete floor renovations

For most homeowners who have initiated renovations, spending money and time installing floors doesn’t always cause much excitement. But fitting a flooring system properly at the outset can lead to a better more comfortable space for your family in the long term. And the good news is that it needn’t break the bank.

keyboard_arrow_upCemCote Skimmed – The latest from Cemcrete
keyboard_arrow_downCemCote Skimmed – The latest from Cemcrete

We recently saw the launch of an exciting new product added to the Cemcrete range – CemCote Skimmed. This product is a skim-on coating (as the name implies) that is not only aesthetically pleasing, but also extremely versatile. Let’s look at some of the many ways that CemCote Skimmed can be used.

keyboard_arrow_upLafarge building solutions meeting the needs of the education sector
keyboard_arrow_downLafarge building solutions meeting the needs of the education sector

One of the country’s major producers and suppliers of cement, ready-mixed concrete, aggregates and fly ash, Lafarge South Africa is a member of the international LafargeHolcim group, a world leader in building materials. The company has always had a special and holistic focus on education. Special in that the company not only meets the infrastructure […]

keyboard_arrow_upConcrete roofs practical in urban and rural applications
keyboard_arrow_downConcrete roofs practical in urban and rural applications

Concrete is increasingly becoming the roof covering material of choice for a wide variety of practical reasons, says Bryan Perrie, Managing Director of The Concrete Institute (TCI).

keyboard_arrow_upCHRYSO EA product’s for Nairobi’s new landmark apartment block
keyboard_arrow_downCHRYSO EA product’s for Nairobi’s new landmark apartment block

Chryso Eastern Africa is supplying a vital admixture for the concrete mix used for the construction of Nova Apartments, a new R180 million luxury apartment block in Nairobi, by the main contractor, Aggregate Construction. 

keyboard_arrow_upTAL plays key role in major wall feature at Anslow Office Park, Phase II
keyboard_arrow_downTAL plays key role in major wall feature at Anslow Office Park, Phase II

The 10 500 m2 turnkey office development is located just off William Nicol Drive, within the highly-successful Bryanston office node.

keyboard_arrow_upCornelis River Dam undergoing major refurbishment
keyboard_arrow_downCornelis River Dam undergoing major refurbishment

A wide range of Sika concrete repair and protection products were used in the Cornelis River Dam project, which needed major refurbishment in order to implement a sustainable regional bulk water supply scheme in the Phumelela Local Municipal area, prioritising Warden.

keyboard_arrow_upNew Cemcrete all-in-one website
keyboard_arrow_downNew Cemcrete all-in-one website

The saying goes that change is as good as a holiday, and renowned cement-based finish manufacturer, Cemcrete has taken this to heart. The company recently launched its new website and some of the innovative features are: 1) Find your perfect finish quiz  The revamped website features a new look-and-feel with an emphasis on ease of […]

keyboard_arrow_upa.b.e. Powdered waterproofer blocks moisture and prevents dampness in plaster and mortar
keyboard_arrow_downa.b.e. Powdered waterproofer blocks moisture and prevents dampness in plaster and mortar

a.b.e. Construction Chemicals now supplies duraproof cem block, an easy to apply powdered product that when added to Portland cement plaster or mortar mixes, streamlines waterproofing by obstructing the capillaries and restricting moisture movement. a.b.e. is part of the Chryso Southern Africa Group. Elrene Smuts, Communications Manager of the Chryso SA Group, says duraproof cem […]

keyboard_arrow_upGerman African Innovation Incentive Award for the “cassava bio concrete” house
keyboard_arrow_downGerman African Innovation Incentive Award for the “cassava bio concrete” house

In cooperation with the German federal research institute BAM, Nigerian scientist Dr. Kolawole Olonade from Obafemi Awolowo University in Ile-Ife received the “German African Innovation Incentive Award” for the project research idea of re-using the residues of cassava as a rheology modifier for concrete and building materials. The prize was announced and awarded by the […]

keyboard_arrow_upDemand soaring for CHRYSO S.A.’s Centre of Excellence
keyboard_arrow_downDemand soaring for CHRYSO S.A.’s Centre of Excellence

The Chryso Southern Africa Group, a leading admixture producer, has substantially expanded its laboratory testing facilities with the opening of its new Centre of Excellence at the Group’s head office in Jet Park, Johannesburg. The Centre of Excellence features ultra-modern equipment and temperature control systems to offer cement, concrete, and construction systems technology as an […]

keyboard_arrow_upLafarge solutions for healthcare sector infrastructure
keyboard_arrow_downLafarge solutions for healthcare sector infrastructure

Strongly focused on addressing the needs of its customers, Lafarge South Africa, a member of the international LafargeHolcim group, a world leader in building materials, has a well-established reputation for providing the local construction industry with innovative products, solutions and services.

keyboard_arrow_upa.b.e. products used for silo rehab at Caledon breweries
keyboard_arrow_downa.b.e. products used for silo rehab at Caledon breweries

a.b.e Construction Chemicals supplied a wide range of waterproofing and concrete repair products for the refurbishment of dozens of grain silos at SAB Miller breweries in Caledon, Western Cape. a.b.e. is part of the Chryso Southern Africa Group. Steff Dalton, a.b.e. Technical Sales Consultant, says for the waterproofing of the 56 silos, a.b.e.’s Index Fidia […]

keyboard_arrow_upTAL introduces new self-levelling screed
keyboard_arrow_downTAL introduces new self-levelling screed

TAL has introduced TAL Superscreed SL to their underlayment range. This rapid-setting self-levelling and smoothing underlayment is designed with high flow properties to produce smooth durable floor surfaces prior to fixing floor covering. TAL Superscreed SL is ideal for residential and commercial installations. The rapid-setting formula means that the TAL Superscreed SL initial set is […]

keyboard_arrow_upGlow in the dark concrete
keyboard_arrow_downGlow in the dark concrete

An impressive addition to Chryso’s range of decorative concretes is LuminTech, which comprises a variety of different luminescent particles that are applied to the surface and incorporated into the concrete skin. During the day these particles look like natural aggregates but they also absorb both natural and artificial UV radiation. After dark, the particles release […]

keyboard_arrow_upKaytech’s ‘Concrete-on-a-Roll’ aids Mooi River canal remediation
keyboard_arrow_downKaytech’s ‘Concrete-on-a-Roll’ aids Mooi River canal remediation

A unique class of construction material supplied by Kaytech not only solved logistical problems but also saved the Department of Rural Development and Land Reform time and money, due to its speed and ease of installation. The 22 km long Mooi River Irrigation Canal, supplying water to the remote Keate’s drift area of KwaZulu-Natal, was […]

keyboard_arrow_upLesotho gets local cement plant
keyboard_arrow_downLesotho gets local cement plant

The cement supplier recently commissioned a new cement blending and packing facility in Maseru. It is the first cement manufacturing facility established in the country.

keyboard_arrow_upFive major benefits of concrete
keyboard_arrow_downFive major benefits of concrete

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).

keyboard_arrow_upVariety of factors can cause plaster cracks
keyboard_arrow_downVariety of factors can cause plaster cracks

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.

keyboard_arrow_upAuthority awards first Mark of Approval
keyboard_arrow_downAuthority awards first Mark of Approval

Garth 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.

keyboard_arrow_up11 years of fibre cement success
keyboard_arrow_down11 years of fibre cement success

House Brink, beautifully transformed by timber construction company, Logo Homes, and clad in UCO Sedartex Plank from UFCC, won the Gold Award in the Alterations & Additions category in the 2015 Institute for Timber Construction Awards. United Fibre Cement Company (UFCC), supplier of asbestos-free cellulose fibre cement products to the construction, renovation and landscaping markets in South Africa, is proud to mark 11 years of successful business since its inception in 2005.

keyboard_arrow_upLaunch of Chryso’s Equalis 250 hailed as exciting move for contractors
keyboard_arrow_downLaunch of Chryso’s Equalis 250 hailed as exciting move for contractors

Developed 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.

keyboard_arrow_upModern concrete roads offer environmental benefits, says The Concrete Institute
keyboard_arrow_downModern concrete roads offer environmental benefits, says The Concrete Institute

Modern 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.

keyboard_arrow_upHow to prevent craze cracking on concrete floors
keyboard_arrow_downHow to prevent craze cracking on concrete floors

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.

keyboard_arrow_upWho’s who in concrete
keyboard_arrow_downWho’s who in concrete

Quality concrete does not happen by accident. Rather it is a combination of technical skills, quality materials, ratios and equipment that combine together to make a material that can easily be put in place to build a structure that may last for hundreds of years. Yet each element involved in the manufacture of concrete is closely interwoven in a complex chain. The weakest link determines the ultimate strength and suitability of the concrete for the job at hand which is why industry bodies that strive to uplift each segment of the industry are of the utmost importance.

keyboard_arrow_upChryso conducts short course on Admixtures and Concrete Rheology
keyboard_arrow_downChryso conducts short course on Admixtures and Concrete Rheology

Dr Pascal Boustingorry, the Interface Physical Chemistry team manager at Chryso France, recently visited South Africa to give a short course on the ‘Effect of Admixtures on Concrete Rheology’. This was part of a two day programme put together by the South African Society of Rheology (SASOR) and the Cape Peninsula University of Technology.

keyboard_arrow_upCost benefit and unlimited scope for design with precast concrete cladding
keyboard_arrow_downCost benefit and unlimited scope for design with precast concrete cladding

Precast concrete cladding provides the designer with substantial freedom in the choice of form, texture, and appearance, says Bryan Perrie, MD of The Concrete Institute.

keyboard_arrow_upSelecting the appropriate curing agents improves the final concrete finish quality
keyboard_arrow_downSelecting the appropriate curing agents improves the final concrete finish quality

Concrete structures are expected to last a certain number of years and in order to meet the expected lifespan the concrete must be able to withstand structural loading, fatigue, weathering, abrasion and chemical attack. Eddie Correia, executive vice president of Chryso Southern Africa, says that the duration and type of curing applied during the setting process will play a determinant role in enabling the concrete to achieve the strength and durability that is required to meet the design parameters of the structure.

keyboard_arrow_upReadymix concrete keeps growing
keyboard_arrow_downReadymix concrete keeps growing

The use of readymix concrete is growing in leaps and bounds as the Southern Africa Readymix Association (Sarma) continues its drive to make accredited readymix concrete the building material of choice. This year the large-scale uptake of readymix concrete by construction firms, municipalities, roads authorities and other role players has led to a massive increase in concrete suppliers seeking memberships with the Southern Africa Readymix Association (Sarma), as they apply for accreditation from the highly respected industry body.

keyboard_arrow_upBuilding infrastructure right the first time
keyboard_arrow_downBuilding infrastructure right the first time

All measures should be taken by Government to ensure specifiers and engineers insist on quality assured building products sourced from suppliers belonging to regulated and accredited industry organisations in order to avoid costly rebuilds of sub-standard housing and infrastructural projects.