To provide efficient drainage and void filler in deep planter boxes.
VersiTank were assembled and positioned over the waterproofing membrane in the deep planter boxes providing an insulation layer protecting the membrane. A geotextile filter fabric layer was then installed over the tanks and planting media placed in the planter boxes above the geotextile. VersiTank acts as a drainage cell with large internal void as well as a void filler to reduce the volume of planting media required to fill the deep planter boxes. VersiTank has high compressive strength and is able to resist the combine weight of the planting media and the large trees installed in the planter boxes.