Green Roofs - Living Architecture Monitor - Spring 2011 - (Page 24)
INNOVATION
ROOT REPELLENT STANDARDS
By Robert Berghage
ANSI/GRHC/SPRI VR – 1 2011 – A NEW PROCEDURE FOR INVESTIGATING RESISTANCE TO ROOT PENETRATION ON VEGETATIVE ROOFS
24
LIVING ARCHITECTURE MONITOR
SPRING 2011
Table of Contents for the Digital Edition of Green Roofs - Living Architecture Monitor - Spring 2011