This NBS can be built on any roof that resists more than 75Kg/m2. The inclination of the roof must be between 0 and 45º. Depending on these conditions the type of the green roof will be different. We can remove this NBS easily if we want to change the roof.
AMORTISATION: Short term/Medium term/Long term/No amortization
The green roofs get the recovery of the investment between the 0 and the 10 years.