Reinforced types are backed by a metal mesh to help keep them more sturdy. Underneath edge of this fence is buried beneath dirt to help keep it stable and to maximize mould control. Posts get placed on the back side to hold the fence upright. They have been set on the other hand to prevent some runoff from slipping through the fence. The video clip can demo this for you, and move in to detail on other sides of the fence, also. aq79hrbkmf.