Portland’s New Ecoroof Requirement: New Design and Maintenance Strategies
DOWA - IBI Group 907 SW Stark St, Portland, OR, United StatesAs of July 9, 2018 Portland’s new Central City zoning code will require all new buildings of 20,000 sf or more to install ecoroofs. After 22 years, since the first ecoroof was installed on a Portland residential garage, the city has enacted one of the most comprehensive Ecoroof (Greenroof) mandates in the United States. This [...]