| 发明名称 |
ROOFING MATERIAL WITH GRANULAR SURFACE |
| 摘要 |
A roofing membrane material is disclosed. The material is characterized in that it includes a rubberized asphalt layer and a polyethylene reinforcement layer having a polyurethane layer on its upper surface. The polyurethane layer includes embedded grit to provide a high friction surface offering good traction.
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| 申请公布号 |
CA2270684(A1) |
申请公布日期 |
1999.11.05 |
| 申请号 |
CA19992270684 |
申请日期 |
1999.05.04 |
| 申请人 |
MULTI TECHNOLOGIES INDUSTRIAL LIMITED PARTNERSHIP;NORTHERN ELASTOMERIC, INC. |
发明人 |
ZICKELL, THOMAS |
| 分类号 |
E04D1/12;(IPC1-7):E04D1/12 |
主分类号 |
E04D1/12 |
| 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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