Green Roof Design Criteria

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 criteria.

Due to the increased soil depth the plant selection is more diverse and can include trees and shrubs which allows for the development. The roofs are designed so that water drains vertically through the media and then horizontally along a waterproofing layer towards the outlet. This milestone in the north american green roof movement facilitates future growth by securing a place in mainstream construction under the international building code. Schiffer publishing ltd atglen pennsylvania 2007.

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 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 roofs in sustainable landscape design steven cantor 2008 w w norton isbn.

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.