Green Roof Design Criteria

Criteria of a successful green roof project study.

Green roof design criteria.

Low weight low capital cost low plant diversity and minimal maintenance requirements. The roofs are designed so that water drains vertically through the media and then horizontally along a waterproofing layer towards the outlet. Extensive green roofs are often not accessible and are characterized by. Green roof design criteria structural capacity of the roof.

The green roof system. Design criteria green roofs typically consist of layers which are designed to support plant growth and retain water for plant uptake while preventing ponding on the roof surface. The two basic types of green roof systems extensive and intensive are differentiated mainly by the cost depth of growing medium and the choice of plants. Has been growing perennials for over 20 years and operates one of north america s.

Working in close partnership with spri design guidelines approved by the american national standards institute ansi have been developed for fire wind uplift and root repellency. Green roofs for healthy cities works to develop standards in support of the further development of the industry. Green roofs consist of a series of layers that create an environment suitable for plant growth without damaging the underlying roof system. Design criteria for green roofs design criteria for green roofs green infrastructure.