Two-part pre-fabricated soil drain sheet and protection board consisting of a formed polystyrene core covered on one side with a non-woven, needle-punched polypropylene filter fabric.  The fabric allows water to pass into the drain core while restricting the movement of soil particles, which might clog the core.  The core allows water flow to designed exits.

Sealogreen™ is a composite mat made of a layer of polypropylene geofabric as the bottom layer, a layer of perforated polypropylene dimple board as the center layer and top layer of copper hydroxide-impregnated geofabric.

This top layer is designed to create a root barrier from the plantings above to the system below. Sealogreen™ is laid over the Sealoflex CT System™ and performs a function of draining the soil layer as well as retaining water below the root level to feed the plant life with moisture during periods of little or no rainfall. The advantage of this system is that the soil in the root layer is never saturated which prevents root rot.