Interface is the technical journal of IIBEC and the July edition was focused on roofing. There are articles on hail testing, best design practices, and a case study on lightning protection; but best of all is an article by NWiR member Elizabeth Grant, PhD, AIA about an experimental study on modular green roofs. Check it out here https://cloud.3dissue.com/142631/142781/166884/2022-07-Digital-Edition/index.html