| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a composite waterproof sheet preventing swelling of a waterproof layer, and its manufacturing method. SOLUTION: The composite waterproof sheet is characterized in that a sheet of vulcanized rubber is laminated over the upper surface of an expanded sheet of synthetic resin having grooves communicated with its lower surface. Its manufacturing method includes bonding an adhesive surface of the expanded sheet to the heated sheet of vulcanized rubber using a pressure roll, the expanded sheet having the grooves communicated with one side and a holt-melt adhesive provided on the other.</p> |
