PROBLEM TO BE SOLVED: To provide a water-cut off sheet for agricultural green house that is light in weight and easy to handle, has light-shielding properties, excellent light resistance with reduced deterioration in the strength with the passage of time without noxious gas emission. SOLUTION: A cloth made of polyolefin flat yarns 2 is coated on both faces of the cloth with a polyolefin layer 3 to prepare a laminated cloth. In this laminated cloth, 0.5-5 wt.% of a coloring pigment and 0.1-15 wt.% of a weathering agent are formulated to the polyolefin layer 3 to give the objective water-cut off sheet for agricultural house.