By Majori Gaudin. block. Published at Sunday, January 20th, 2019 - 01:49:52 AM.
The manufacture of concrete paving blocks is a highly specialised process. Concrete pavers need to be dimensionally accurate and meet the required compressive strengths and abrasion resistance standards. Product should ideally be sourced from a SABS accredited manufacturer. (SABS 1058 sets out the standards and tolerances for concrete paving blocks.
After this you need to start to clear a canal around the perimeter of the sub base you have just set. This canal needs to then be filled with quick dry concrete and leveled off. Once the concrete has dried you grab whatever edging blocks you decided to purchase and put them around the edge of the perimeter. Take a straight piece of lumber and a carpenters level to make sure each edge stone is level and straight. After this you need to wait for no less than 72 hours for everything to become level and set. Avoid the urge to mess with the pathway or it will not set properly.
Paving block structures with mortar filled vertical joints can exhibit a significantly higher load capacity as comparable structures with sand filled joints. For this reason, this pavement construction method is increasingly being used or would be used, respectively, if its performance could be estimated reliably. Specifically, the exact cause of cracks due to cooling in winter has not been fully understood yet and appropriate prediction tools do not exist.
Quality concrete paving is durable and requires little maintenance if correctly installed. This is why property developers often choose to install paved roads instead of tarred roads in business parks and residential developments.
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