This thesis is a study about finding the best solution for construction and demolition waste promoting the views of circular economy. The study was conducted by researching the definitions of circular economy and the relevant legislation concerning this issue. The scope of this thesis is limited mainly to Finnish legislation, but since most of it comes from the EU also this has to be taken into account.This thesis has a case example of Ruukki Construction Sandwich panel. These panels are used to build industrial halls and storages. They consist of two steel sheets connected with adhesive to isolative mineral wool core. The main question was to find out first what can be done with the panels after their initial life, and what is allowed to be done in terms of legislation.The research was done as a literature review, studying both EU and Finnish legislation, conducting interviews and plant visits. With gathered information a comprehensive overview was done for all the rules set for re-using and recycling of construction and demolition waste. These two possibilities presented in the EU waste hierarchy are the options that will promote the model of circular economy the most.The analysis shows that the best option purely from the view of circular economy would be re-using most of the products within the limits set by available resources. If re-using is not possible the second option would be recycling the material. In large scale the limitations for re-using may cause that recycling of material is the most viable option.
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