What is the minimum thickness of an insulating screed?

An insulating screed should be placed at least 4 cm thick. But for ease of placement and quality, it is best to choose a thickness of 5 cm.

Climate-neutral floor construction
FIT - Flanders - State of the Art Agentschap Innoveren & Ondernemen Vlaanderen Circulair  content= Made In Belgium EIT Climate-KIC Netwerk Ondernemen PMV