YUHONG Brand RDB road and bridge modified bituminous waterproof sheet material series of products are specially designed for road and bridge engineering waterproof of municipal transport construction. It is high temperatureresistance and high anti-shearing of modified bituminous waterproof sheet materials, using filament polyester felt filler as base, atactic polypropylene (APP), polyolefins(APAO, APO) or Stylene-Butadiene-Stylene(SBS) as dipping and coating material, with both side covered with fine sand as insulation material.