Green Roof Design Criteria

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

Green roof design criteria.

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. The roofs are designed so that water drains vertically through the media and then horizontally along a waterproofing layer towards the outlet. The green roof system. 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 roof design criteria structural capacity of the roof. Extensive green roofs are often not accessible and are characterized by. 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. 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.

Criteria of a successful green roof project study. Green roofs for healthy cities works to develop standards in support of the further development of the industry. Has been growing perennials for over 20 years and operates one of north america s. Green roofs consist of a series of layers that create an environment suitable for plant growth without damaging the underlying roof system.