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South African Wood Preservers Association (SAWPA)
keyboard_arrow_upCCA Treated Timber
South African Wood Preservers Association (SAWPA)
keyboard_arrow_downCCA Treated Timber

CCA (Copper-Chrome-Arsenate) is an industrial wood preservative and is widely used in South Africa. When applied to timber it enhances the durability by preserving it against biological deterioration such as insect attack (wood borer and termites) and fungal decay (rot). In South Africa only CCA Type C is allowed to be used as it is internationally recognised as the most stable and effective type, i.e. apart from its efficacy as a timber preservative, it successfully fixes to the lignocellulose material in wood. CCA may only be applied by industrial high pressure process from where the familiar term “pressure treated wood” hails from.

South African Wood Preservers Association (SAWPA)
keyboard_arrow_upUnderstanding the Markings on Treated Timber
South African Wood Preservers Association (SAWPA)
keyboard_arrow_downUnderstanding the Markings on Treated Timber

South African Standards SANS 1288, SANS 457-2/3 and SANS 753/4 specify the marking requirements for any preservative treated product that claims to comply with the respective Standards. The following information must be contained in the marking: a unique plant identifier or trademark, product certification mark, SANS standard designation, a hazard class, date or year of manufacture of poles...

Voltex
keyboard_arrow_upVoltex | Cable Accessories Catalogue
Voltex
keyboard_arrow_downVoltex | Cable Accessories Catalogue

CABLE ACCESSORIESUniversal Gland and Cable Rating Chart Glands, Boxes and Shrouds Cable Glands Gland Accessories Utility Junction Box Glands Reducers and Adaptors Joint Kits CTC Kits Lugs and Ferrules Pre-Insulated Terminals Brass Terminals 3M Tapes Nitto Insulation Tape General Safety Tape Cable Ties and Strapping Cable Ties and Accessories Cable Tie Mounts Cable and Wire Markers Wire Duct Connectors Heat Shrink Putty Cable Clips Grommets, Plugs and Strips

South African Wood Preservers Association (SAWPA)
keyboard_arrow_upSAWPA | Sapwood and Heartwood
South African Wood Preservers Association (SAWPA)
keyboard_arrow_downSAWPA | Sapwood and Heartwood

A tree trunk has three main zones; the bark, the sapwood and the heartwood. Trees are basically triangular in shape and they gain height by growing outwards and upwards. At the start of each growing season, a new layer is added to the outside of the wood so that every part of the tree gets bigger - roots, trunk, branches and twigs.

South African Wood Preservers Association (SAWPA)
keyboard_arrow_upNatural Durability of Wood
South African Wood Preservers Association (SAWPA)
keyboard_arrow_downNatural Durability of Wood

An important consideration when building with timber is predicting how long the structure will last. Whilst insects, decay or rotting organisms and marine borers can all attack wood, some timber species have the ability to resist attack better than others. The natural durability of a species to resist attack by wood destroying organisms is an indication of how long that timber will last when it is exposed to a defined set of exposure conditions without any additional preservative protection. The natural durability of timber species varies, even so within the wood from the same species of tree, depending on whether its sapwood or heartwood.

South African Wood Preservers Association (SAWPA)
keyboard_arrow_upUnderstanding Hazard Classes
South African Wood Preservers Association (SAWPA)
keyboard_arrow_downUnderstanding Hazard Classes

According to NRCS VC 9092, The Compulsory Specification for Preservative Treated Timber, any preservative treated timber product claiming to be preservative treated must be branded as specified in the relevant SANS product standards. An important part of the brand is the Hazard Class, which indicates the service conditions to which the product is exposed and the level of treatment or level of protection that must be applied to the wood. The Hazard Classes have been defined as follows...

Press Office
Industry News & Product Highlights
keyboard_arrow_upBattery backup during load shedding
keyboard_arrow_downBattery backup during load shedding

Here at Turnstar, we’ve got the answer for your load shedding security problems. All Turnstar turnstiles and vehicle barrier boomgates are available with battery backup. The battery backup keeps your batteries charged and switches over to battery power only in the event of a power failure. Turnstar turnstiles can allow for over 5000 rotations and […]

keyboard_arrow_up3 reasons to visit the Isowall factory shop
keyboard_arrow_down3 reasons to visit the Isowall factory shop

Did you know that you can purchase insulated and decorative products from Isowall’s factory shop? Building professionals, specifiers and contractors can now buy items from the wide range of products with Isowall’s quality stamp of approval. Here is what to expect: A wide range of insulated and decorative products Products available at the factory shop […]

keyboard_arrow_upInsulation can help keep you cool in summer
keyboard_arrow_downInsulation can help keep you cool in summer

  “Will insulation keep my home cooler in summer?” – this is a common question asked by homeowners. We turn to Cobus Lourens from Swartland, the local distributor of world-leading Knauf Mineral Wool Insulation, for the answers…   With the sweltering heat of the current climate, there are many homeowners that are wondering how they […]

keyboard_arrow_upFree training workshops for construction professionals at the KZN Construction Expo
keyboard_arrow_downFree training workshops for construction professionals at the KZN Construction Expo

Free training workshops for construction professionals at the KZN Construction Expo Construction industry professionals eager to propel their skills and capacity forward in KZN’s ballooning R200 billion industry over the next seven years are invited to register for any of the fourteen CPD accredited workshops offered at the KZN Construction Expo. In March last year […]

keyboard_arrow_upHealing Environment, World Class Child Healthcare
keyboard_arrow_downHealing Environment, World Class Child Healthcare

“There can be no keener revelation of a society’s soul than the way in which it treats its children.” Nelson Mandela, May 1995                   The multi award-winning Nelsen Mandela Children’s Hospital is a world-class pediatric facility – Ruben Reddy Architects partnered with GAPP Architects & Urban Designers […]

keyboard_arrow_upSteel achieves the spans required for new printing facility
keyboard_arrow_downSteel achieves the spans required for new printing facility

Hirt and Carter is an industrial building/office space that consists of a shared printing facility and head office in KwaZulu-Natal. Initially, the client was looking for a project site where they could build their new office and factory component. Over the course of the design stage with the architect, the tenant of the building realised […]

Product overviews & installations
Building Industry Videos
keyboard_arrow_upMac Brothers – Leaders in the supply and manufacture of catering equipment
keyboard_arrow_downMac Brothers – Leaders in the supply and manufacture of catering equipment

Leaders in the supply and manufacture of catering equipment. * our commitment to technical expertise in the manufacturing of stainless steel kitchen; cooking and refrigeration equipment as well as our range of leading local and imported brands. * our commitment from our professional team of experts offering you 3Dimensional kitchen design and planning * our […]

keyboard_arrow_upMac Brothers | PROOX Snowfall Washroom Accessories
keyboard_arrow_downMac Brothers | PROOX Snowfall Washroom Accessories

Mac Brothers PROOX Snowfall range of washroom accessories, with a contemporary architectural look and awarded design. Architects choice award.

keyboard_arrow_upWhat to consider when using instantaneous water heaters?
keyboard_arrow_downWhat to consider when using instantaneous water heaters?
keyboard_arrow_upWhy use an instantaneous water heater?
keyboard_arrow_downWhy use an instantaneous water heater?
keyboard_arrow_upHow does an instantaneous water heater work?
keyboard_arrow_downHow does an instantaneous water heater work?
keyboard_arrow_upYORK® YZ Magnetic Bearing
keyboard_arrow_downYORK® YZ Magnetic Bearing

THE YORK® YZ MAGNETIC BEARING CENTRIFUGAL CHILLER The YORK® YZ Chiller, built upon decades of industry-leading expertise, challenges everything about conventional water-cooled chiller design. Our chiller engineers analyzed every function, challenged every assumption and questioned every component. Resulting in the industry’s first centrifugal chiller fully optimized for ultimate performance with a next generation low-GWP (global […]

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