Root barriers. DeepRoot is known for making the highest quality, academically proven root & rhizome barriers. Our barriers have been specified and installed around the world as an effective means to manage the interaction between pavements and roots. Design professionals and trail contractors use DeepRoot products to create a lower maintenance asset, thereby reducing long term costs. Our products are suited to many applications such as bike trails, walking paths, and interpretive sites—anywhere roots encroach on pavements. www.DeepRoot.com or call us at 800-458-7668.