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Explaining the technicalities of CCA Poles

CCA poles are treated in a specific way and you might not grasp why unless it is explained to your in a proper way. It is also vital to know about these poles and this specific type of treatment, because you might need to buy these poles if you live in a specific area or if you experience certain types of conditions. CCA poles should be SABS approved, so make sure the company you work with has this certification. We can start at the beginning when explaining these poles and their function: the “cca” stands for “copper, chrome and arsenic” and this is exactly what the treatment consists of – it is a mixture of these elements. The chrome and copper compounds you find in the mixture ensure that the poles are weather resistant and the last part, arsenic, makes sure that not pesky insects damage the poles that you spend money on.

 

 

There are various levels of CCA treatment, but usually CCA poles will be treated up to level H4. The South African Wood Preservers Association or SAWPA will tell you that the H4 level treatment poles are much more effective when it comes to high hazard and ground contact needs. When it comes to agricultural posts, as well as structures, decking, landscaping and bridges, these poles are deemed ideal and most of them will usually be issues with what is known as “anti-split” plates at each of the ends and this ensures that the timber does not crack. This treatment is penetrated about thirteen cm into the wood and, according to specific regulations, these poles have to be inspected and tested on a regular basis by officials from the SABS. This ensures you keep on experiencing the quality you pay for initially. Different CCA poles are categorised by measuring each end. For example, 50mm to 75mm will be one category, whereas 175mm to 200mm will be a different category.

 

CCA poles that are longer than thirteen meters or poles thicker than 20 cm will not be carried in stock at a company, because they are not as in demand.