Green Roof Design Criteria

Design criteria for green roofs design criteria for green roofs green infrastructure.

Green roof design criteria.

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. Green roofs consist of a series of layers that create an environment suitable for plant growth without damaging the underlying roof system. The green roof system. Low weight low capital cost low plant diversity and minimal maintenance requirements.

Extensive green roofs are often not accessible and are characterized by. Has been growing perennials for over 20 years and operates one of north america s. Criteria of a successful green roof project study. Green roofs can be limited by the additional weight of the fully saturated soil and plants in terms of the physical capacity of the roof to bear structural loads.

Green roofs for healthy cities works to develop standards in support of the further development of the industry. Additional standards under development include performance standards for the multiple functions of growing media. 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 roof design criteria structural capacity of the roof.