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Gardendrain by American Hydrotech
Gardendrain is at the heart of American Hydrotech’s Garden Roof Assembly. This component is designed to act as a drainage, aeration, and water retention element. Gardendrain is made of recycled polyethylene molded into a three-dimensional panel. The design provides retention cups on the top side, drainage channels on the top and bottom, and holes in the tops of the domes for aeration, promoting upward moisture movement. Hydrotech offers three types of Gardendrain: GR15 (for extensive assemblies), GR30 (for extensive, lawn, and thinner intensive assemblies), and GR50 (for intensive assemblies).