| 发明名称 |
BREATHABLE NON-ASPHALTIC ROOFING UNDERLAYMENT |
| 摘要 |
<p num="1"><br/><br/><br/>A non-asphaltic roofing underlayment that is breathable, water resistant and <br/>skid-resistant is disclosed. The non-asphaltic roofing underlayment includes a <br/>woven or non-woven substrate in which at least one surface thereof includes a <br/>breathable thermoplastic film disposed thereon. The breathable thermoplastic <br/>film imparts water-resistant to the substrate as well as maintains the <br/>breathability of the substrate.<br/></p> |
| 申请公布号 |
CA2544568(A1) |
申请公布日期 |
2005.05.26 |
| 申请号 |
CA20042544568 |
申请日期 |
2004.11.01 |
| 申请人 |
BUILDING MATERIALS INVESTMENT CORPORATION |
发明人 |
MEHTA, VINAY;KERKAR, AWDHOOT VASANT |
| 分类号 |
B32B27/32;B32B3/00;B32B25/02;E04B7/00;E04D12/00 |
主分类号 |
B32B27/32 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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