To provide a polypropylene mesh sheet for building work well balanced in weather resistance and flexibility.

This polypropylene mesh sheet for the building work comprises either one of a warp yarn or a weft yarn which is a polypropylene multifilament yarn and the other which is a polypropylene monofilament. In the mesh sheet, the single filament fineness of the multifilament yarn is 10-25 dtex and the total fineness is 500-1,500 dtex. The monofilament is a core-sheath conjugated monofilament comprising a core layer composed of a polypropylene high-melting component and a sheath layer composed of a polypropylene low-melting component and the fineness is 300-700 dtex.