Metric · draft
A measurable indicator (students often call it a KPI) used as evidence for a design decision.
| Category | Biodiversity |
| Unit | % of roof area |
| How it is calculated | Vegetated roof area ÷ total roof area × 100. |
| Origin | student |
| Status | draft |
Also known as: Green roof/wall coverage · Roof utilisation
What it measures
Large flat warehouse roofs can host habitat, retain water and cool the building — but compete with PV and add structural load.
Calculation
Vegetated roof area ÷ total roof area × 100.
Connections
- Used in case studies: Ece Yasar, Ilinca Maria Baciu, Thomas Olsen
- Tools that can calculate it: Grasshopper
- Informs decisions on: Biodiversity and ecological connectivity on logistics sites, Stormwater and sealed surfaces on logistics sites, Operational energy and on-site renewables
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