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

Table 6

Conventional flat 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)
Ceramic tiles	m^2	550	18,47	10.158,50
Waterproofing	m^2	550	15,83	8.706,50
Protection layer	m^2	550	3,96	2.178,00
Thermal insulation and vapour barrier	m^2	550	33,45	18.397,50
Lightweight concrete	m^3	71.5	129,02	9.224,93
Total cost				48.665,43
Total cost per m^2				88,48