The roofs are designed so that water drains vertically through the media and then horizontally along a waterproofing layer towards the outlet.
Green roof design criteria.
7 8 5 must be designed in accordance with the following design criteria.
Schiffer publishing ltd atglen pennsylvania 2007.
Due to the increased soil depth the plant selection is more diverse and can include trees and shrubs which allows for the development.
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.
Green roof design installation is part one of the three part green roof professional grp training series this course will provide you with the latest information on green roof benefits technical standards product innovations and design and installation best practice.
Green roof layer requirements.
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.
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.