Intensive

Intensive roofs are essentially roof gardens.  They are generally designed for public access, high visual and recreational amenity.  These roofs create public or private open spaces for residents or workers.  The vegetation options are limitless, but as such, the cost of these roofs is high. 

Structural loading can also be an issue, as these roofs require a higher substrate depth, which in turn requires careful design considerations.  Irrigation of intensive green roofs needs to be designed for and maintenance of these roofs requires careful consideration and planning. 

The key features of an
intensive green roof are...