Green Roofs for Healthy Cities is working to develop a number of standards in support of the further development of the industry. Working in close partnership with SPRI, design guidelines approved by ANSI have been developed for Fire, Wind Uplift and Root Repellancy.

VF-1 Fire Design Guidelines (.pdf, ~124 Kb)

RP-14 Wind Design Standard (.pdf, ~ 1 MB)

VR-1 Procedure for Investigating Resistance to Root Penetration (.pdf, ~608 kb)

Additional standards under development include performance standards for the multiple functions of growing media.