There’s a meadow five stories above the busy city streets of Nashville complete with green grass and rolling hills. This green space in the sky is actually the roof of a new convention center nearing completion in the Music City.

As a filter medium, HydRocks® increases surface area and allows fast, free drainage, helps remove or reduce toxins, and absorbs nutrients for long-term, sustainable water treatment. These characteristics were useful for storm water management at a new Georgia Tech facility in 2006.