Drainage concrete, used as a drainage layer for roof greening, comprises a mixture of inert plastic particle aggregate, mineral binder and water

摘要

Drainage concrete comprises a mixture of inert plastic particle aggregate, mineral binder and water. Drainage concrete comprises a mixture of 80 vol.% inert and optionally mineralized plastic particle aggregate and 20 vol.% mineral binder and water which is cast to a drainage layer, poured or molded to blocks. Preferred Features: The mineral binder is cement.