root barrier definition
root barrier means patented chemical and/or mechanical guides that redirects tree roots down and away from hardscapes, preventing costly root damage;
root barrier means a mechanical guide that redirects tree roots down and away from hardscapes to prevent root damage. Barriers shall be a minimum of 0.085 inches thick polypropylene, utilize zipper joining systems, contain rounded edges, be 24 inches in depth, and must have anti-lift pads.