ISCOWA is an association whose members have been working on circular construction since 1991.

Both environmental and technical aspects of construction are dealt with, and the by-products include (but are not limited to) residues from industrial processes, such as:

- construction and demolition waste
- metallurgical slag
- power plant, and municipal and hazardous waste incineration fly ash
- waste to energy and biomass ash
- bottom ash
- foundry sand
- blasting grit
- mine tailing
- contaminated soil
- stabilized or treated waste and soil
- flue gas desulphurisation sludge
- water treatment sludge

ISCOWA

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Offices