发明名称 |
Base sheet for retrofitting existing roofing |
摘要 |
A base sheet for use in retrofitting a new roof over an existing roof includes a polyester support sheet having a layer of flexible foam laminated thereto. The base sheet is laid over the existing roofing, with the foam layer in contact with the existing roofing. A new roofing is then laid over the base sheet.
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申请公布号 |
US6427404(B1) |
申请公布日期 |
2002.08.06 |
申请号 |
US19990464755 |
申请日期 |
1999.12.16 |
申请人 |
PALISADES ATLANTIC CORPORATION |
发明人 |
HAGEMAN JOHN P. |
分类号 |
E04D11/02;E04D13/16;E04G23/03;(IPC1-7):E04C1/00 |
主分类号 |
E04D11/02 |
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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