Green Roof Design Criteria

The vf 1 fire design guide establishes clear criteria for minimizing the risk of fire on green roofs through prudent design and mandatory maintenance regiment.

Green roof design criteria.

7 8 5 must be designed in accordance with the following design criteria. Chapter 9 14 green roofs page 5 design criteria basic requirements a green roof proposed to meet any of the design and performance standards at n j a c. Green roofs in sustainable landscape design steven cantor 2008 w w norton isbn. The roofs are designed so that water drains vertically through the media and then horizontally along a waterproofing layer towards the outlet.

Schiffer publishing ltd atglen pennsylvania 2007. This milestone in the north american green roof movement facilitates future growth by securing a place in mainstream construction under the international building code. Design guidelines for green roof 5 the growing medium is often soil based ranging in depth from 20 60 cm 8 24 with a saturated weight increase of between 290 967 7 kg m2 60 200 lbs sf. 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.

Due to the increased soil depth the plant selection is more diverse and can include trees and shrubs which allows for the development.