PURPOSE: A preparation method of the green sloped roof is provided to prevent the damage of the soil of the slope planting and to install easily, the effectiveness is high a burden due to the load is not given to a roof drainage is easy. CONSTITUTION: A preparation method of the green sloped roof is as follow steps: a filter cloth is applied on the green sloped roof side; a support frame in which the cell (1) is fixed to the honeycomb shape is fixed; each cells of the vertical direction are inserted and fixed the inner surface is penetrated by the wire in which the upper end is fixed. The cell has the punch station (2) on the filter cloth and maintains a fixture is inserted into an intracell for the maintenance of form. The vegetation foundation material is filled on the fixed support frame.
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