Introduction to Types of Green Roof

Green Roofs are Intentionally Vegetated Roof Surfaces

They are generally categorized into three groups:

Intensive, semi-intensive [or semi-extensive] and extensive.

We have also provided a detailed page on domestic green roofs to help people who want to do something for themselves on their own property.

	Extensive	Semi intensive	Intensive
Use	Ecological Landscape	Garden/Ecological Landscape	Garden/Park
Type of vegetation	Moss-Herbs-Grasses	Grass-Herbs-Shrubs	Lawn/Perennials, Shrubs, Trees
Benefit	W,T,B	W,T,B,A	W,T,B,A
Depth of Substrate	60-200mm	120-250mm	150-400mm
Weight	60-150 kg/m²	120-200 kg/m²	180-500 kg/m²
Cost	Low	Periodic	High