发明名称 |
Roofing cover board, roofing panel composites, and method |
摘要 |
A roofing system includes a layer of insulation boards overlying a roof deck, and a layer of cover boards overlying the insulation boards. The insulation boards include a polyisocyanurate or polyurethane foam material that has a first density. The cover boards include a polyisocyanurate or polyurethane material that has a second density. The second density is greater than the first. The roofing system may also include a waterproofing membrane overlying the cover boards.
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申请公布号 |
US8105685(B2) |
申请公布日期 |
2012.01.31 |
申请号 |
US20100703308 |
申请日期 |
2010.02.10 |
申请人 |
PARADIS DUANE;GRIFFIN CHRISTOPHER J.;SWANN RAYMOND C.;HAZY JOEL EVAN;BURDIC BRAD C.;JOHNS MANVILLE |
发明人 |
PARADIS DUANE;GRIFFIN CHRISTOPHER J.;SWANN RAYMOND C.;HAZY JOEL EVAN;BURDIC BRAD C. |
分类号 |
B32B3/00 |
主分类号 |
B32B3/00 |
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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