THE EDGE DESIGNED FOR THE FREE MOVEMENT OF WATER AND SOLUTE

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PURPOSE : Boundary material having the shape which is divided by a zone in outward appearance but internally interconnected and enables movement of water and a solute under the earth is provided to create an ecologically healthy ground structure. CONSTITUTION : Boundary material to enable movement of water and a solute under the earth contains a vertical plane(a-2) containing a hole(a-4); an lower structure(a-3) for supporting the vertical plane; and an upper structure(a-1) with a curved part; nonwoven fabric attached on the vertical plane; a buffering material attached on the nonwoven fabric. © KIPO 2008