It’s not only the environmental aspects of concrete that should be assessed as sustainable and positive, however, so let’s consider its overall lifecycle. Like other building materials, concrete has a life span. When compared to other commonly used construction materials it is by far the most durable, with a typical design life of at least 60 years. It essentially has three phases of life. Its creation, its use in buildings and structures, and its reuse through recycling once the building comes to the end of its life.

It is far more likely that a modern concrete building will be deemed obsolete due to no further perceived usage, than the concrete fabric of the structure having failed due to age. With this in mind, and with cost-efficiency and sustainability now to the fore, reuse of concrete buildings is ever more commonplace. The material offers flexibility and seemingly redundant concrete structures can be worked on, redesigned and rebuilt with new up-to-date specifications. However, if demolished, the resulting aggregate can also be used for a number of applications as a ready-made and important recycled material.

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