Construction materials and products represent about 50% of all raw materials extracted from the earth’s crust. Construction and demolition activities represent 50% of all waste generated.
The latest environmental and circular economy policies and techniques improving waste treatment mean that the construction industry should now be using secondary materials as an alternative to primary ones.
During the 2021 Circular Talk on “Construction and infrastructure value chains and market”, stakeholders presented a framework for value chain collaboration in a circular/industrial symbiosis perspective. They also explored the market positioning of secondary construction and infrastructure materials. There is a whole series of issues regarding the use and application of these secondary materials in the construction sector.
Among the main barriers, stakeholders identified: