| 摘要 |
PURPOSE: A self-adhesive type waterproofing sheet using asphalt and a manufacturing method thereof are provided to prevent the water leakage of a building and a tunnel. CONSTITUTION: A self-adhesive type waterproofing sheet using asphalt comprises a first waterproof sheet(50), a second waterproof sheet(40) and a third waterproof sheet(30). The first waterproof sheet is made of polyisobutylene and polyethylene. The second waterproof sheet is made of straight asphalt 15-45 weight%, blown asphalt 5-10 weight%, adhesive agent 15~25 weight%, thermoplastic elastic member 10-15 weight% and filler 25-35 weight%. The third waterproof sheet is made of straight asphalt 5-55 weight%, blown asphalt 5-10 weight%, adhesive agent 12-20 weight%, thermoplastic elastic member 5-15 weight% and filler 5-20 weight%. |
