Intensive semi intensive and extensive.
Sections of green roofs.
This article provides an general overview of green roofs installed on buildings.
From the most basic sod roofs to modern rooftop parks spanning thousands of feet green roofs have shaped architecture throughout history.
For both of these we need to follow specific green roof construction and maintenance procedures.
Extensive green roofs extensive green roof an extensive green roof system is characterized of its vegetation ranging from sedums to small grasses herbs and flowering herbaceous plants which need little maintenance and no permanent irrigation system.
Jul 4 2020 explore danica mihadavid s board green roof sections on pinterest.
Green roofs are making a comeback.
Green roof systems are also referred to as vegetated roof covers roof gardens eco roofs or landscaped roofs.
System components include a membrane protection layer drainage layer filter layer and a root barrier between the soil and roof membrane.
Vegetated roofs of varying slopes include both conventional and protected membrane designs.
The growing medium depth for an extensive green roof system is typically 6 inches or less.
See more ideas about green roof roof roof garden.
Generally there are two types of green roof systems.
A general characterization of the two types of green roofing systems follows.
They are differentiated on the basis of plant selection growing medium type and overall cost.
The basic anatomy of a green roof consists of vegetation growing medium filter membrane drainage layer waterproof root repellant layer roofing membrane support for plantings above thermal insulation vapor control layer and structural roof support.