Green Roof Research Program

This green space could be below at or above grade but in all cases it exists separate from the ground.

Green roof research program. Uhi effects could be mitigated by substantial green roof utilization. Water is stored by the roof s substrate and. First its location is. This roof serves multiple functions.

The green roof professional grp accreditation program was created by grhc in 2004 to create a body of professionals versed in the design installation and maintenance of green roofs. The model predicted that extensive use of green roofs could reduce summer surface temperatures by as much as 1 6 degrees fahrenheit f. Green roofs can reduce stormwater runoff via water wise gardening techniques. Gsa s green roof report estimated that green roofs on commercial and public buildings provide a payback based on 50 year average annual savings of about 6 2 years nationally internal rate of return of 5 2 and an roi of 224 based on a net present value of 2 7 square foot.

Primary green roof costs are related to installation and maintenance. Green roofs play a significant role in retrofitting the low impact development lid practices in urban areas. As part of this study giss considered various use scenarios for green roof space ranging from 20 to 50. One organization green roofs for healthy cities grhc is working to increase the number of knowledgeable professionals.

A study presented at the green roofs for healthy cities conference in june 2004 cited by the epa found water runoff was reduced by over 75 during rainstorms. Green roofs can provide a wide range of public and private benefits and have been successfully installed in countries around the world.