It is common practice to use the term extensive to describe green roofs that are very thin and will only support hardy drought resistant vegetation such as sedums herbs and perennials.
Green roof soil thickness.
The nominal thickness of a green roof is the approximate total height of the soil and drainage components that constitute the green roof system excluding the roof structure insulation waterproofing and plants.
This is because they provide ecological benefits aesthetic value and creative urban architecture.
Green roofs or living roofs have become popular over the years.
Soil structure for green roof media.
Green roof growing media is an integral part of a functioning.
Also the green roof drainage layer material is made to be sturdy and strong so that piercing can be limited and that the integrity of the entire program can be retained with ease.
One important item to design for is an increased structural load.
When designing a green roof there are several factors to take into consideration.
Intensive to describe green roofs that are thick enough.