Theoretical Analysis and Comparison of the Thermal Performance, Construction Costs, and Maintenance Complexity between a Conventional and an Intensive Green Roof

Table 7

Intensive green roof construction costs (the table is structured by authors upon data collected from cost estimate for the building under construction).

Layer	Unit of measure	Quantity	Unit price (Eur)	Total cost (Eur)
Vegetation	m^2	550	4,10	2.255,00
Growing medium	m^2	550	139,53	76.741,50
Filter layer
Drainage and storage
Protection layer
Waterproofing
Thermal insulation
Vapour barrier
Lightweight concrete	m^3	71.5	129,02	9.224,93
Total cost				88.221,43
Total cost per m^2				160,40