| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a waterproof sheet having sufficiently high ventilating performance. <P>SOLUTION: The waterproof sheet comprises: an asphalt compound layer 11; multilayer-sheet layers 12 each having a plurality of openings 17; and a release sheet layer 13 laminated in sequence. The asphalt compound layer 11 has a self-adhesion property. The multilayer-sheet layers 12 each have a synthetic resin layer 14 contacting the asphalt compound layer 11 and a non-woven fabric layer 15 contacting the release sheet layer 13. The non-woven fabric layer 15 has a basis weight of 10-100 g/m<SP POS="POST">2</SP>, a thickness of 0.10-0.50 mm and a bulk density of 100-183 kg/m<SP POS="POST">3</SP>. <P>COPYRIGHT: (C)2013,JPO&INPIT |
