DUAL COMPOSITE AND COMPLEX EXPOSED WATERPROOF SHEET COMPRISING ASPHALT POLYURETHAN WATERPROOF STUFF AND PROTECTION SEAT MADE BY COMPOSITE RESIN, AND CONSTRUCTION METHOD THEREOF

摘要

The present invention relates to a dual composite exposed waterproof sheet and a method for constructing the same. More specifically, a dual composite exposed waterproof sheet is made by laminating, on the upper part of a waterproof material in which asphalt and urethane are mixed, a mixed synthetic resin protection sheet including mixed synthetic resin in which a mixture of polypropylene, polyethylene, polyvinyl chloride, and ethyl vinyl acetate is extruded and molded.